90710256 has 160 divisors (see below), whose sum is σ = 303869440. Its totient is φ = 22643712.

The previous prime is 90710251. The next prime is 90710261. The reversal of 90710256 is 65201709.

It is an interprime number because it is at equal distance from previous prime (90710251) and next prime (90710261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90710251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82446 + ... + 83538.

It is an arithmetic number, because the mean of its divisors is an integer number (1899184).

Almost surely, 2^90710256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90710256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151934720).

90710256 is an abundant number, since it is smaller than the sum of its proper divisors (213159184).

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

90710256 is a wasteful number, since it uses less digits than its factorization.

90710256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 90710256 is about 9524.1931941766. The cubic root of 90710256 is about 449.3162554498.

The spelling of 90710256 in words is "ninety million, seven hundred ten thousand, two hundred fifty-six".