90070063250 has 32 divisors (see below), whose sum is σ = 174425350320. Its totient is φ = 34785676800.

The previous prime is 90070063243. The next prime is 90070063283. The reversal of 90070063250 is 5236007009.

It can be written as a sum of positive squares in 8 ways, for example, as 7188835369 + 82881227881 = 84787^2 + 287891^2 .

It is a super-2 number, since 2×90070063250² (a number of 23 digits) contains 22 as substring.

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, 6204479 + ... + 6218978.

Almost surely, 2^90070063250 is an apocalyptic number.

90070063250 is a deficient number, since it is larger than the sum of its proper divisors (84355287070).

90070063250 is a wasteful number, since it uses less digits than its factorization.

90070063250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423503 (or 12423493 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 90070063250 in words is "ninety billion, seventy million, sixty-three thousand, two hundred fifty".