61396264 has 8 divisors (see below), whose sum is σ = 115118010. Its totient is φ = 30698128.

The previous prime is 61396261. The next prime is 61396271. The reversal of 61396264 is 46269316.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47032164 + 14364100 = 6858^2 + 3790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61396261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837259 + ... + 3837274.

Almost surely, 2^61396264 is an apocalyptic number.

It is an amenable number.

61396264 is a deficient number, since it is larger than the sum of its proper divisors (53721746).

61396264 is a wasteful number, since it uses less digits than its factorization.

61396264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674539 (or 7674535 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 61396264 is about 7835.5768134835. The cubic root of 61396264 is about 394.5002792407.

It can be divided in two parts, 6139 and 6264, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 61396264 in words is "sixty-one million, three hundred ninety-six thousand, two hundred sixty-four".