85722504 has 32 divisors (see below), whose sum is σ = 244921920. Its totient is φ = 24492096.

The previous prime is 85722503. The next prime is 85722529. The reversal of 85722504 is 40522758.

It is not an unprimeable number, because it can be changed into a prime (85722503) 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, 254959 + ... + 255294.

It is an arithmetic number, because the mean of its divisors is an integer number (7653810).

Almost surely, 2^85722504 is an apocalyptic number.

85722504 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

85722504 is an abundant number, since it is smaller than the sum of its proper divisors (159199416).

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

85722504 is a wasteful number, since it uses less digits than its factorization.

85722504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510269 (or 510265 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 85722504 is about 9258.6448252431. The cubic root of 85722504 is about 440.9252293780.

The spelling of 85722504 in words is "eighty-five million, seven hundred twenty-two thousand, five hundred four".