90734556 has 24 divisors (see below), whose sum is σ = 230961024. Its totient is φ = 27495280.

The previous prime is 90734531. The next prime is 90734597. The reversal of 90734556 is 65543709.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343560 + ... + 343823.

It is an arithmetic number, because the mean of its divisors is an integer number (9623376).

Almost surely, 2^90734556 is an apocalyptic number.

It is an amenable number.

90734556 is an abundant number, since it is smaller than the sum of its proper divisors (140226468).

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

90734556 is a wasteful number, since it uses less digits than its factorization.

90734556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687401 (or 687399 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 90734556 is about 9525.4688073606. The cubic root of 90734556 is about 449.3563736998.

The spelling of 90734556 in words is "ninety million, seven hundred thirty-four thousand, five hundred fifty-six".