312450172074 has 24 divisors (see below), whose sum is σ = 677248774020. Its totient is φ = 104107995648.

The previous prime is 312450172031. The next prime is 312450172103. The reversal of 312450172074 is 470271054213.

312450172074 is a `hidden beast` number, since 3 + 12 + 4 + 501 + 72 + 0 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 307509066225 + 4941105849 = 554535^2 + 70293^2 .

It is a super-2 number, since 2×312450172074² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3459319 + ... + 3548490.

Almost surely, 2^312450172074 is an apocalyptic number.

312450172074 is an abundant number, since it is smaller than the sum of its proper divisors (364798601946).

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

312450172074 is a wasteful number, since it uses less digits than its factorization.

312450172074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010294 (or 7010291 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 312450172074 in words is "three hundred twelve billion, four hundred fifty million, one hundred seventy-two thousand, seventy-four".