87322974 has 16 divisors (see below), whose sum is σ = 183838080. Its totient is φ = 27575640.

The previous prime is 87322951. The next prime is 87322979. The reversal of 87322974 is 47922378.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87322979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382882 + ... + 383109.

It is an arithmetic number, because the mean of its divisors is an integer number (11489880).

Almost surely, 2^87322974 is an apocalyptic number.

87322974 is an abundant number, since it is smaller than the sum of its proper divisors (96515106).

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

87322974 is a wasteful number, since it uses less digits than its factorization.

87322974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766015.

The product of its digits is 169344, while the sum is 42.

The square root of 87322974 is about 9344.6762383723. The cubic root of 87322974 is about 443.6524042726.

The spelling of 87322974 in words is "eighty-seven million, three hundred twenty-two thousand, nine hundred seventy-four".