64787376 has 20 divisors (see below), whose sum is σ = 167367512. Its totient is φ = 21595776.

The previous prime is 64787353. The next prime is 64787381. The reversal of 64787376 is 67378746.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1349737 = 64787376 / (6 + 4 + 7 + 8 + 7 + 3 + 7 + 6).

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, 674821 + ... + 674916.

Almost surely, 2^64787376 is an apocalyptic number.

It is an amenable number.

64787376 is an abundant number, since it is smaller than the sum of its proper divisors (102580136).

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

64787376 is a wasteful number, since it uses less digits than its factorization.

64787376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349748 (or 1349742 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 64787376 is about 8049.0605663021. The cubic root of 64787376 is about 401.6336852641.

The spelling of 64787376 in words is "sixty-four million, seven hundred eighty-seven thousand, three hundred seventy-six".