90932740 has 12 divisors (see below), whose sum is σ = 190958796. Its totient is φ = 36373088.

The previous prime is 90932701. The next prime is 90932741. The reversal of 90932740 is 4723909.

It can be written as a sum of positive squares in 2 ways, for example, as 70157376 + 20775364 = 8376^2 + 4558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90932696 and 90932705.

It is not an unprimeable number, because it can be changed into a prime (90932741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273299 + ... + 2273338.

It is an arithmetic number, because the mean of its divisors is an integer number (15913233).

Almost surely, 2^90932740 is an apocalyptic number.

It is an amenable number.

90932740 is an abundant number, since it is smaller than the sum of its proper divisors (100026056).

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

90932740 is a wasteful number, since it uses less digits than its factorization.

90932740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546646 (or 4546644 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90932740 is about 9535.8659806019. The cubic root of 90932740 is about 449.6832997993.

The spelling of 90932740 in words is "ninety million, nine hundred thirty-two thousand, seven hundred forty".