61679364 has 24 divisors (see below), whose sum is σ = 144046560. Its totient is φ = 20541504.

The previous prime is 61679323. The next prime is 61679389. The reversal of 61679364 is 46397616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22627 + ... + 25205.

It is an arithmetic number, because the mean of its divisors is an integer number (6001940).

Almost surely, 2^61679364 is an apocalyptic number.

It is an amenable number.

61679364 is an abundant number, since it is smaller than the sum of its proper divisors (82367196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61679364 is a wasteful number, since it uses less digits than its factorization.

61679364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4577 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 61679364 is about 7853.6210756568. The cubic root of 61679364 is about 395.1057004952.

The spelling of 61679364 in words is "sixty-one million, six hundred seventy-nine thousand, three hundred sixty-four".