749247474473 has 16 divisors (see below), whose sum is σ = 783012963456. Its totient is φ = 715581884160.

The previous prime is 749247474421. The next prime is 749247474497. The reversal of 749247474473 is 374474742947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749247474473 is a prime.

It is a super-2 number, since 2×749247474473² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749247473473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52597490 + ... + 52611732.

It is an arithmetic number, because the mean of its divisors is an integer number (48938310216).

Almost surely, 2^749247474473 is an apocalyptic number.

It is an amenable number.

749247474473 is a deficient number, since it is larger than the sum of its proper divisors (33765488983).

749247474473 is a wasteful number, since it uses less digits than its factorization.

749247474473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584.

The product of its digits is 132765696, while the sum is 62.

The spelling of 749247474473 in words is "seven hundred forty-nine billion, two hundred forty-seven million, four hundred seventy-four thousand, four hundred seventy-three".