74297794980 has 24 divisors (see below), whose sum is σ = 208033826112. Its totient is φ = 19812745312.

The previous prime is 74297794969. The next prime is 74297795009. The reversal of 74297794980 is 8949779247.

It is a happy number.

It is a super-2 number, since 2×74297794980² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 619148232 + ... + 619148351.

It is an arithmetic number, because the mean of its divisors is an integer number (8668076088).

Almost surely, 2^74297794980 is an apocalyptic number.

It is an amenable number.

74297794980 is an abundant number, since it is smaller than the sum of its proper divisors (133736031132).

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

74297794980 is a wasteful number, since it uses less digits than its factorization.

74297794980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238296595 (or 1238296593 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 66.

The spelling of 74297794980 in words is "seventy-four billion, two hundred ninety-seven million, seven hundred ninety-four thousand, nine hundred eighty".