87342530 has 16 divisors (see below), whose sum is σ = 171509184. Its totient is φ = 31760880.

The previous prime is 87342509. The next prime is 87342539. The reversal of 87342530 is 3524378.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87342539) 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, 396902 + ... + 397121.

It is an arithmetic number, because the mean of its divisors is an integer number (10719324).

Almost surely, 2^87342530 is an apocalyptic number.

87342530 is a deficient number, since it is larger than the sum of its proper divisors (84166654).

87342530 is a wasteful number, since it uses less digits than its factorization.

87342530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794041.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 87342530 is about 9345.7225509856. The cubic root of 87342530 is about 443.6855204864.

The spelling of 87342530 in words is "eighty-seven million, three hundred forty-two thousand, five hundred thirty".