90342724 has 12 divisors (see below), whose sum is σ = 158284224. Its totient is φ = 45118664.

The previous prime is 90342697. The next prime is 90342727. The reversal of 90342724 is 42724309.

It is not an unprimeable number, because it can be changed into a prime (90342727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9184 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (13190352).

Almost surely, 2^90342724 is an apocalyptic number.

It is an amenable number.

90342724 is a deficient number, since it is larger than the sum of its proper divisors (67941500).

90342724 is a wasteful number, since it uses less digits than its factorization.

90342724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26354 (or 26352 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 90342724 is about 9504.8789576722. The cubic root of 90342724 is about 448.7086003971.

The spelling of 90342724 in words is "ninety million, three hundred forty-two thousand, seven hundred twenty-four".