61804364 has 24 divisors (see below), whose sum is σ = 110224800. Its totient is φ = 30316160.

The previous prime is 61804357. The next prime is 61804387. The reversal of 61804364 is 46340816.

It is a self number, because there is not a number n which added to its sum of digits gives 61804364.

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, 75992 + ... + 76800.

It is an arithmetic number, because the mean of its divisors is an integer number (4592700).

Almost surely, 2^61804364 is an apocalyptic number.

It is an amenable number.

61804364 is a deficient number, since it is larger than the sum of its proper divisors (48420436).

61804364 is a wasteful number, since it uses less digits than its factorization.

61804364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 61804364 is about 7861.5751602335. The cubic root of 61804364 is about 395.3724287456.

The spelling of 61804364 in words is "sixty-one million, eight hundred four thousand, three hundred sixty-four".