64938374 has 4 divisors (see below), whose sum is σ = 97407564. Its totient is φ = 32469186.

The previous prime is 64938353. The next prime is 64938389. The reversal of 64938374 is 47383946.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16234592 + ... + 16234595.

It is an arithmetic number, because the mean of its divisors is an integer number (24351891).

Almost surely, 2^64938374 is an apocalyptic number.

64938374 is a deficient number, since it is larger than the sum of its proper divisors (32469190).

64938374 is a wasteful number, since it uses less digits than its factorization.

64938374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32469189.

The product of its digits is 435456, while the sum is 44.

The square root of 64938374 is about 8058.4349597177. The cubic root of 64938374 is about 401.9454683751.

The spelling of 64938374 in words is "sixty-four million, nine hundred thirty-eight thousand, three hundred seventy-four".