65972634 has 32 divisors (see below), whose sum is σ = 162395520. Its totient is φ = 17399232.

The previous prime is 65972629. The next prime is 65972657. The reversal of 65972634 is 43627956.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 59869 + ... + 60960.

It is an arithmetic number, because the mean of its divisors is an integer number (5074860).

Almost surely, 2^65972634 is an apocalyptic number.

65972634 is an abundant number, since it is smaller than the sum of its proper divisors (96422886).

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

65972634 is a wasteful number, since it uses less digits than its factorization.

65972634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120854.

The product of its digits is 272160, while the sum is 42.

The square root of 65972634 is about 8122.3539691397. The cubic root of 65972634 is about 404.0681395051.

The spelling of 65972634 in words is "sixty-five million, nine hundred seventy-two thousand, six hundred thirty-four".