749287373562 has 288 divisors, whose sum is σ = 2174113363968. Its totient is φ = 189018992448.

The previous prime is 749287373509. The next prime is 749287373573. The reversal of 749287373562 is 265373782947.

749287373562 is a `hidden beast` number, since 7 + 49 + 28 + 7 + 3 + 7 + 3 + 562 = 666.

It is a super-2 number, since 2×749287373562² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 749287373562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13195243 + ... + 13251905.

It is an arithmetic number, because the mean of its divisors is an integer number (7549004736).

Almost surely, 2^749287373562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749287373562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087056681984).

749287373562 is an abundant number, since it is smaller than the sum of its proper divisors (1424825990406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749287373562 is a wasteful number, since it uses less digits than its factorization.

749287373562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56736 (or 56711 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 749287373562 in words is "seven hundred forty-nine billion, two hundred eighty-seven million, three hundred seventy-three thousand, five hundred sixty-two".