74856251406 has 32 divisors (see below), whose sum is σ = 152602561440. Its totient is φ = 24470810624.

The previous prime is 74856251387. The next prime is 74856251411. The reversal of 74856251406 is 60415265847.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 711790 + ... + 810158.

It is an arithmetic number, because the mean of its divisors is an integer number (4768830045).

Almost surely, 2^74856251406 is an apocalyptic number.

74856251406 is an abundant number, since it is smaller than the sum of its proper divisors (77746310034).

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

74856251406 is a wasteful number, since it uses less digits than its factorization.

74856251406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100820.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 74856251406 in words is "seventy-four billion, eight hundred fifty-six million, two hundred fifty-one thousand, four hundred six".