65613376 has 14 divisors (see below), whose sum is σ = 130201670. Its totient is φ = 32806656.

The previous prime is 65613367. The next prime is 65613377. The reversal of 65613376 is 67331656.

It can be written as a sum of positive squares in only one way, i.e., 55115776 + 10497600 = 7424^2 + 3240^2 .

It is a super-2 number, since 2×65613376² = 8610230220234752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65613377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512541 + ... + 512668.

Almost surely, 2^65613376 is an apocalyptic number.

It is an amenable number.

65613376 is a deficient number, since it is larger than the sum of its proper divisors (64588294).

65613376 is a wasteful number, since it uses less digits than its factorization.

65613376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025221 (or 1025211 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 65613376 is about 8100.2083923810. The cubic root of 65613376 is about 403.3333448687. Note that the first 4 decimals are identical.

The spelling of 65613376 in words is "sixty-five million, six hundred thirteen thousand, three hundred seventy-six".