85972634 has 8 divisors (see below), whose sum is σ = 140682528. Its totient is φ = 39078460.

The previous prime is 85972633. The next prime is 85972639. The reversal of 85972634 is 43627958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85972633) 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, 1953902 + ... + 1953945.

It is an arithmetic number, because the mean of its divisors is an integer number (17585316).

Almost surely, 2^85972634 is an apocalyptic number.

85972634 is a deficient number, since it is larger than the sum of its proper divisors (54709894).

85972634 is a wasteful number, since it uses less digits than its factorization.

85972634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907860.

The product of its digits is 362880, while the sum is 44.

The square root of 85972634 is about 9272.1429022637. The cubic root of 85972634 is about 441.3536720292.

The spelling of 85972634 in words is "eighty-five million, nine hundred seventy-two thousand, six hundred thirty-four".