64744794 has 12 divisors (see below), whose sum is σ = 140280426. Its totient is φ = 21581592.

The previous prime is 64744787. The next prime is 64744807. The reversal of 64744794 is 49744746.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 22325625 = 6513^2 + 4725^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1798449 + ... + 1798484.

Almost surely, 2^64744794 is an apocalyptic number.

64744794 is an abundant number, since it is smaller than the sum of its proper divisors (75535632).

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

64744794 is a wasteful number, since it uses less digits than its factorization.

64744794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596941 (or 3596938 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 64744794 is about 8046.4149781129. The cubic root of 64744794 is about 401.5456737054.

The spelling of 64744794 in words is "sixty-four million, seven hundred forty-four thousand, seven hundred ninety-four".