749615516972 has 48 divisors (see below), whose sum is σ = 1545968847360. Its totient is φ = 311352336000.

The previous prime is 749615516971. The next prime is 749615517011. The reversal of 749615516972 is 279615516947.

It is a happy number.

It is a super-3 number, since 3×749615516972³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (749615516971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988822 + ... + 2335517.

It is an arithmetic number, because the mean of its divisors is an integer number (32207684320).

Almost surely, 2^749615516972 is an apocalyptic number.

It is an amenable number.

749615516972 is an abundant number, since it is smaller than the sum of its proper divisors (796353330388).

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

749615516972 is a wasteful number, since it uses less digits than its factorization.

749615516972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324542 (or 4324540 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 62.

The spelling of 749615516972 in words is "seven hundred forty-nine billion, six hundred fifteen million, five hundred sixteen thousand, nine hundred seventy-two".