65731060 has 12 divisors (see below), whose sum is σ = 138035268. Its totient is φ = 26292416.

The previous prime is 65731049. The next prime is 65731073. The reversal of 65731060 is 6013756.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 17205904 = 6966^2 + 4148^2 .

It is a congruent number.

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, 1643257 + ... + 1643296.

It is an arithmetic number, because the mean of its divisors is an integer number (11502939).

Almost surely, 2^65731060 is an apocalyptic number.

It is an amenable number.

65731060 is an abundant number, since it is smaller than the sum of its proper divisors (72304208).

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

65731060 is a wasteful number, since it uses less digits than its factorization.

65731060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286562 (or 3286560 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 65731060 is about 8107.4693955636. The cubic root of 65731060 is about 403.5743400959.

The spelling of 65731060 in words is "sixty-five million, seven hundred thirty-one thousand, sixty".