90460724 has 12 divisors (see below), whose sum is σ = 160475364. Its totient is φ = 44610624.

The previous prime is 90460673. The next prime is 90460753. The reversal of 90460724 is 42706409.

It can be written as a sum of positive squares in 2 ways, for example, as 16810000 + 73650724 = 4100^2 + 8582^2 .

It is a congruent number.

It is an unprimeable number.

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, 154607 + ... + 155190.

It is an arithmetic number, because the mean of its divisors is an integer number (13372947).

Almost surely, 2^90460724 is an apocalyptic number.

It is an amenable number.

90460724 is a deficient number, since it is larger than the sum of its proper divisors (70014640).

90460724 is a wasteful number, since it uses less digits than its factorization.

90460724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309874 (or 309872 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 90460724 is about 9511.0842704710. The cubic root of 90460724 is about 448.9038737478.

The spelling of 90460724 in words is "ninety million, four hundred sixty thousand, seven hundred twenty-four".