85716730 has 32 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 31091520.

The previous prime is 85716727. The next prime is 85716749. The reversal of 85716730 is 3761758.

It is a self number, because there is not a number n which added to its sum of digits gives 85716730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60571 + ... + 61969.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^85716730 is an apocalyptic number.

85716730 is a deficient number, since it is larger than the sum of its proper divisors (83022470).

85716730 is a wasteful number, since it uses less digits than its factorization.

85716730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 85716730 is about 9258.3330033003. Note that the first 3 decimals coincide. The cubic root of 85716730 is about 440.9153293739.

The spelling of 85716730 in words is "eighty-five million, seven hundred sixteen thousand, seven hundred thirty".