61047656 has 16 divisors (see below), whose sum is σ = 114552900. Its totient is φ = 30500224.

The previous prime is 61047643. The next prime is 61047661. The reversal of 61047656 is 65674016.

It can be written as a sum of positive squares in 2 ways, for example, as 58767556 + 2280100 = 7666^2 + 1510^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13310 + ... + 17298.

Almost surely, 2^61047656 is an apocalyptic number.

It is an amenable number.

61047656 is a deficient number, since it is larger than the sum of its proper divisors (53505244).

61047656 is a wasteful number, since it uses less digits than its factorization.

61047656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908 (or 5904 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 61047656 is about 7813.2999430458. The cubic root of 61047656 is about 393.7522040357.

The spelling of 61047656 in words is "sixty-one million, forty-seven thousand, six hundred fifty-six".