64695974 has 16 divisors (see below), whose sum is σ = 113172000. Its totient is φ = 27726552.

The previous prime is 64695973. The next prime is 64695979. The reversal of 64695974 is 47959646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64695971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46469 + ... + 47840.

It is an arithmetic number, because the mean of its divisors is an integer number (7073250).

Almost surely, 2^64695974 is an apocalyptic number.

64695974 is a deficient number, since it is larger than the sum of its proper divisors (48476026).

64695974 is an equidigital number, since it uses as much as digits as its factorization.

64695974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94332 (or 94318 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 64695974 is about 8043.3807568708. The cubic root of 64695974 is about 401.4447215006. Note that the first 3 decimals are identical.

The spelling of 64695974 in words is "sixty-four million, six hundred ninety-five thousand, nine hundred seventy-four".