64198676 has 6 divisors (see below), whose sum is σ = 112347690. Its totient is φ = 32099336.

The previous prime is 64198669. The next prime is 64198703. The reversal of 64198676 is 67689146.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60435076 + 3763600 = 7774^2 + 1940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64198676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8024831 + ... + 8024838.

It is an arithmetic number, because the mean of its divisors is an integer number (18724615).

Almost surely, 2^64198676 is an apocalyptic number.

It is an amenable number.

64198676 is a deficient number, since it is larger than the sum of its proper divisors (48149014).

64198676 is a wasteful number, since it uses less digits than its factorization.

64198676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16049673 (or 16049671 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 64198676 is about 8012.4076281727. The cubic root of 64198676 is about 400.4134807702.

The spelling of 64198676 in words is "sixty-four million, one hundred ninety-eight thousand, six hundred seventy-six".