65067057 has 40 divisors (see below), whose sum is σ = 107215680. Its totient is φ = 38996640.

The previous prime is 65067049. The next prime is 65067059. The reversal of 65067057 is 75076056.

It is not a de Polignac number, because 65067057 - 2³ = 65067049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65067059) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91419 + ... + 92127.

It is an arithmetic number, because the mean of its divisors is an integer number (2680392).

Almost surely, 2^65067057 is an apocalyptic number.

It is an amenable number.

65067057 is a deficient number, since it is larger than the sum of its proper divisors (42148623).

65067057 is a wasteful number, since it uses less digits than its factorization.

65067057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 65067057 is about 8066.4153748738. The cubic root of 65067057 is about 402.2107938813.

The spelling of 65067057 in words is "sixty-five million, sixty-seven thousand, fifty-seven".