74925745980 has 48 divisors (see below), whose sum is σ = 210396735360. Its totient is φ = 19922613568.

The previous prime is 74925745931. The next prime is 74925746003. The reversal of 74925745980 is 8954752947.

It is a super-2 number, since 2×74925745980² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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, 1778550 + ... + 1820189.

It is an arithmetic number, because the mean of its divisors is an integer number (4383265320).

Almost surely, 2^74925745980 is an apocalyptic number.

It is an amenable number.

74925745980 is an abundant number, since it is smaller than the sum of its proper divisors (135470989380).

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

74925745980 is a wasteful number, since it uses less digits than its factorization.

74925745980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599098 (or 3599096 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 74925745980 in words is "seventy-four billion, nine hundred twenty-five million, seven hundred forty-five thousand, nine hundred eighty".