61860504 has 64 divisors (see below), whose sum is σ = 163699200. Its totient is φ = 19426176.

The previous prime is 61860503. The next prime is 61860511. The reversal of 61860504 is 40506816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61860503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133377 + ... + 133839.

It is an arithmetic number, because the mean of its divisors is an integer number (2557800).

Almost surely, 2^61860504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61860504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81849600).

61860504 is an abundant number, since it is smaller than the sum of its proper divisors (101838696).

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

61860504 is a wasteful number, since it uses less digits than its factorization.

61860504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 61860504 is about 7865.1448810559. The cubic root of 61860504 is about 395.4921047116.

The spelling of 61860504 in words is "sixty-one million, eight hundred sixty thousand, five hundred four".