90683725320 has 48 divisors (see below), whose sum is σ = 294722108460. Its totient is φ = 24182326656.

The previous prime is 90683725313. The next prime is 90683725333. The reversal of 90683725320 is 2352738609.

It can be written as a sum of positive squares in 2 ways, for example, as 73006959204 + 17676766116 = 270198^2 + 132954^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 11 ways as a sum of consecutive naturals, for example, 125949259 + ... + 125949978.

Almost surely, 2^90683725320 is an apocalyptic number.

90683725320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90683725320 is an abundant number, since it is smaller than the sum of its proper divisors (204038383140).

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

90683725320 is a wasteful number, since it uses less digits than its factorization.

90683725320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251899254 (or 251899247 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

It can be divided in two parts, 90683 and 725320, that added together give a triangular number (816003 = T₁₂₇₇).

The spelling of 90683725320 in words is "ninety billion, six hundred eighty-three million, seven hundred twenty-five thousand, three hundred twenty".