65731883 has 6 divisors (see below), whose sum is σ = 76463676. Its totient is φ = 56341572.

The previous prime is 65731879. The next prime is 65731949. The reversal of 65731883 is 38813756.

It is not a de Polignac number, because 65731883 - 2² = 65731879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65731883.

It is not an unprimeable number, because it can be changed into a prime (65731483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 670685 + ... + 670782.

It is an arithmetic number, because the mean of its divisors is an integer number (12743946).

Almost surely, 2^65731883 is an apocalyptic number.

65731883 is a deficient number, since it is larger than the sum of its proper divisors (10731793).

65731883 is a wasteful number, since it uses less digits than its factorization.

65731883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341481 (or 1341474 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 65731883 is about 8107.5201510696. The cubic root of 65731883 is about 403.5760244355.

The spelling of 65731883 in words is "sixty-five million, seven hundred thirty-one thousand, eight hundred eighty-three".