64934494 has 4 divisors (see below), whose sum is σ = 97401744. Its totient is φ = 32467246.

The previous prime is 64934479. The next prime is 64934501. The reversal of 64934494 is 49443946.

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

It is a super-2 number, since 2×64934494² = 8432977022072072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64934494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16233622 + ... + 16233625.

It is an arithmetic number, because the mean of its divisors is an integer number (24350436).

Almost surely, 2^64934494 is an apocalyptic number.

64934494 is a deficient number, since it is larger than the sum of its proper divisors (32467250).

64934494 is a wasteful number, since it uses less digits than its factorization.

64934494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32467249.

The product of its digits is 373248, while the sum is 43.

The square root of 64934494 is about 8058.1942145868. The cubic root of 64934494 is about 401.9374629418.

The spelling of 64934494 in words is "sixty-four million, nine hundred thirty-four thousand, four hundred ninety-four".