64780096 has 14 divisors (see below), whose sum is σ = 128548130. Its totient is φ = 32390016.

The previous prime is 64780091. The next prime is 64780097. The reversal of 64780096 is 69008746.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 4562496 = 7760^2 + 2136^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64780091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506031 + ... + 506158.

Almost surely, 2^64780096 is an apocalyptic number.

It is an amenable number.

64780096 is a deficient number, since it is larger than the sum of its proper divisors (63768034).

64780096 is a wasteful number, since it uses less digits than its factorization.

64780096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012201 (or 1012191 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 64780096 is about 8048.6083269097. The cubic root of 64780096 is about 401.6186411669.

The spelling of 64780096 in words is "sixty-four million, seven hundred eighty thousand, ninety-six".