65725958 has 4 divisors (see below), whose sum is σ = 98588940. Its totient is φ = 32862978.

The previous prime is 65725943. The next prime is 65725963. The reversal of 65725958 is 85952756.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16431488 + ... + 16431491.

It is an arithmetic number, because the mean of its divisors is an integer number (24647235).

Almost surely, 2^65725958 is an apocalyptic number.

65725958 is a deficient number, since it is larger than the sum of its proper divisors (32862982).

65725958 is a wasteful number, since it uses less digits than its factorization.

65725958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32862981.

The product of its digits is 756000, while the sum is 47.

The square root of 65725958 is about 8107.1547413380. The cubic root of 65725958 is about 403.5638981041.

The spelling of 65725958 in words is "sixty-five million, seven hundred twenty-five thousand, nine hundred fifty-eight".