64951828 has 6 divisors (see below), whose sum is σ = 113665706. Its totient is φ = 32475912.

The previous prime is 64951819. The next prime is 64951829. The reversal of 64951828 is 82815946.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 19820304 = 6718^2 + 4452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64951829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8118975 + ... + 8118982.

Almost surely, 2^64951828 is an apocalyptic number.

It is an amenable number.

64951828 is a deficient number, since it is larger than the sum of its proper divisors (48713878).

64951828 is a wasteful number, since it uses less digits than its factorization.

64951828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237961 (or 16237959 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 64951828 is about 8059.2696939611. The cubic root of 64951828 is about 401.9732249520.

The spelling of 64951828 in words is "sixty-four million, nine hundred fifty-one thousand, eight hundred twenty-eight".