64996494 has 16 divisors (see below), whose sum is σ = 133506768. Its totient is φ = 21079872.

The previous prime is 64996493. The next prime is 64996501. The reversal of 64996494 is 49469946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64996493) 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, 146167 + ... + 146610.

It is an arithmetic number, because the mean of its divisors is an integer number (8344173).

Almost surely, 2^64996494 is an apocalyptic number.

64996494 is an abundant number, since it is smaller than the sum of its proper divisors (68510274).

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

64996494 is a wasteful number, since it uses less digits than its factorization.

64996494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292819.

The product of its digits is 1679616, while the sum is 51.

The square root of 64996494 is about 8062.0403124767. The cubic root of 64996494 is about 402.0653466702.

The spelling of 64996494 in words is "sixty-four million, nine hundred ninety-six thousand, four hundred ninety-four".