90212746970 has 32 divisors (see below), whose sum is σ = 167127878016. Its totient is φ = 35045841600.

The previous prime is 90212746927. The next prime is 90212746997. The reversal of 90212746970 is 7964721209.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900641 + ... + 995780.

It is an arithmetic number, because the mean of its divisors is an integer number (5222746188).

Almost surely, 2^90212746970 is an apocalyptic number.

90212746970 is a deficient number, since it is larger than the sum of its proper divisors (76915131046).

90212746970 is a wasteful number, since it uses less digits than its factorization.

90212746970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896566.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 90212746970 in words is "ninety billion, two hundred twelve million, seven hundred forty-six thousand, nine hundred seventy".