65072744 has 16 divisors (see below), whose sum is σ = 133103520. Its totient is φ = 29578480.

The previous prime is 65072669. The next prime is 65072759. The reversal of 65072744 is 44727056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369644 + ... + 369819.

It is an arithmetic number, because the mean of its divisors is an integer number (8318970).

Almost surely, 2^65072744 is an apocalyptic number.

It is an amenable number.

65072744 is an abundant number, since it is smaller than the sum of its proper divisors (68030776).

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

65072744 is a wasteful number, since it uses less digits than its factorization.

65072744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739480 (or 739476 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 65072744 is about 8066.7678781529. The cubic root of 65072744 is about 402.2225115679. Note that the first 3 decimals are identical.

The spelling of 65072744 in words is "sixty-five million, seventy-two thousand, seven hundred forty-four".