64416676 has 9 divisors (see below), whose sum is σ = 112757281. Its totient is φ = 32200312.

The previous prime is 64416673. The next prime is 64416691. The reversal of 64416676 is 67661446.

It is a happy number.

The square root of 64416676 is 8026.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 10394176 = 7350^2 + 3224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64416673) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14046 + ... + 18058.

Almost surely, 2^64416676 is an apocalyptic number.

64416676 is the 8026-th square number.

It is an amenable number.

64416676 is a deficient number, since it is larger than the sum of its proper divisors (48340605).

64416676 is an frugal number, since it uses more digits than its factorization.

64416676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030 (or 4015 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The cubic root of 64416676 is about 400.8661978990.

The spelling of 64416676 in words is "sixty-four million, four hundred sixteen thousand, six hundred seventy-six".