65317994 has 16 divisors (see below), whose sum is σ = 112088448. Its totient is φ = 27964752.

The previous prime is 65317979. The next prime is 65318009. The reversal of 65317994 is 49971356.

It is an interprime number because it is at equal distance from previous prime (65317979) and next prime (65318009).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17432 + ... + 20844.

It is an arithmetic number, because the mean of its divisors is an integer number (7005528).

Almost surely, 2^65317994 is an apocalyptic number.

65317994 is a deficient number, since it is larger than the sum of its proper divisors (46770454).

65317994 is a wasteful number, since it uses less digits than its factorization.

65317994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789.

The product of its digits is 204120, while the sum is 44.

The square root of 65317994 is about 8081.9548377852. The cubic root of 65317994 is about 402.7271847345.

The spelling of 65317994 in words is "sixty-five million, three hundred seventeen thousand, nine hundred ninety-four".