64376494 has 60 divisors (see below), whose sum is σ = 126981864. Its totient is φ = 24360336.

The previous prime is 64376441. The next prime is 64376497. The reversal of 64376494 is 49467346.

It is a self number, because there is not a number n which added to its sum of digits gives 64376494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64376497) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2798967 + ... + 2798989.

Almost surely, 2^64376494 is an apocalyptic number.

64376494 is a deficient number, since it is larger than the sum of its proper divisors (62605370).

64376494 is an equidigital number, since it uses as much as digits as its factorization.

64376494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 45 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 64376494 is about 8023.4963700372. The cubic root of 64376494 is about 400.7828294457.

The spelling of 64376494 in words is "sixty-four million, three hundred seventy-six thousand, four hundred ninety-four".