29974831744 has 64 divisors (see below), whose sum is σ = 70155298080. Its totient is φ = 12576844800.

The previous prime is 29974831741. The next prime is 29974831751. The reversal of 29974831744 is 44713847992.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×29974831744² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29974831741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800502 + ... + 837109.

Almost surely, 2^29974831744 is an apocalyptic number.

It is an amenable number.

29974831744 is an abundant number, since it is smaller than the sum of its proper divisors (40180466336).

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

29974831744 is a wasteful number, since it uses less digits than its factorization.

29974831744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637649 (or 1637637 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 29974831744 in words is "twenty-nine billion, nine hundred seventy-four million, eight hundred thirty-one thousand, seven hundred forty-four".