749310621696 has 960 divisors, whose sum is σ = 2813618808000. Its totient is φ = 197425299456.

The previous prime is 749310621649. The next prime is 749310621701. The reversal of 749310621696 is 696126013947.

749310621696 is a `hidden beast` number, since 7 + 4 + 9 + 3 + 1 + 0 + 621 + 6 + 9 + 6 = 666.

It is a super-2 number, since 2×749310621696² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 739694086 + ... + 739695098.

It is an arithmetic number, because the mean of its divisors is an integer number (2930852925).

Almost surely, 2^749310621696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749310621696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406809404000).

749310621696 is an abundant number, since it is smaller than the sum of its proper divisors (2064308186304).

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

749310621696 is a wasteful number, since it uses less digits than its factorization.

749310621696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 749310621696 in words is "seven hundred forty-nine billion, three hundred ten million, six hundred twenty-one thousand, six hundred ninety-six".