74375851540 has 12 divisors (see below), whose sum is σ = 156189288276. Its totient is φ = 29750340608.

The previous prime is 74375851507. The next prime is 74375851559. The reversal of 74375851540 is 4515857347.

It can be written as a sum of positive squares in 2 ways, for example, as 9308004484 + 65067847056 = 96478^2 + 255084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859396269 + ... + 1859396308.

It is an arithmetic number, because the mean of its divisors is an integer number (13015774023).

Almost surely, 2^74375851540 is an apocalyptic number.

It is an amenable number.

74375851540 is an abundant number, since it is smaller than the sum of its proper divisors (81813436736).

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

74375851540 is a wasteful number, since it uses less digits than its factorization.

74375851540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718792586 (or 3718792584 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 74375851540 in words is "seventy-four billion, three hundred seventy-five million, eight hundred fifty-one thousand, five hundred forty".