90726312 has 32 divisors (see below), whose sum is σ = 227779200. Its totient is φ = 30113664.

The previous prime is 90726299. The next prime is 90726313. The reversal of 90726312 is 21362709.

It is a self number, because there is not a number n which added to its sum of digits gives 90726312.

It is not an unprimeable number, because it can be changed into a prime (90726313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (7118100).

Almost surely, 2^90726312 is an apocalyptic number.

It is an amenable number.

90726312 is an abundant number, since it is smaller than the sum of its proper divisors (137052888).

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

90726312 is a wasteful number, since it uses less digits than its factorization.

90726312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065 (or 16061 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 90726312 is about 9525.0360629239. The cubic root of 90726312 is about 449.3427640149.

The spelling of 90726312 in words is "ninety million, seven hundred twenty-six thousand, three hundred twelve".