64197076 has 24 divisors (see below), whose sum is σ = 114985640. Its totient is φ = 31352832.

The previous prime is 64197047. The next prime is 64197079. The reversal of 64197076 is 67079146.

It can be written as a sum of positive squares in 4 ways, for example, as 27836176 + 36360900 = 5276^2 + 6030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64197079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30820 + ... + 32836.

Almost surely, 2^64197076 is an apocalyptic number.

It is an amenable number.

64197076 is a deficient number, since it is larger than the sum of its proper divisors (50788564).

64197076 is a wasteful number, since it uses less digits than its factorization.

64197076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 64197076 is about 8012.3077824058. The cubic root of 64197076 is about 400.4101542899.

The spelling of 64197076 in words is "sixty-four million, one hundred ninety-seven thousand, seventy-six".