64734416 has 20 divisors (see below), whose sum is σ = 128092992. Its totient is φ = 31678176.

The previous prime is 64734389. The next prime is 64734427. The reversal of 64734416 is 61443746.

It is a super-2 number, since 2×64734416² = 8381089229722112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42290 + ... + 43793.

Almost surely, 2^64734416 is an apocalyptic number.

It is an amenable number.

64734416 is a deficient number, since it is larger than the sum of its proper divisors (63358576).

64734416 is a wasteful number, since it uses less digits than its factorization.

64734416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86138 (or 86132 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 64734416 is about 8045.7700688001. The cubic root of 64734416 is about 401.5242178558.

The spelling of 64734416 in words is "sixty-four million, seven hundred thirty-four thousand, four hundred sixteen".