61337564 has 24 divisors (see below), whose sum is σ = 116731440. Its totient is φ = 28083456.

The previous prime is 61337557. The next prime is 61337569. The reversal of 61337564 is 46573316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61337569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9674 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (4863810).

Almost surely, 2^61337564 is an apocalyptic number.

It is an amenable number.

61337564 is a deficient number, since it is larger than the sum of its proper divisors (55393876).

61337564 is a wasteful number, since it uses less digits than its factorization.

61337564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24437 (or 24435 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 61337564 is about 7831.8301820200. The cubic root of 61337564 is about 394.3745139858.

The spelling of 61337564 in words is "sixty-one million, three hundred thirty-seven thousand, five hundred sixty-four".