61104624 has 80 divisors (see below), whose sum is σ = 186654720. Its totient is φ = 16853760.

The previous prime is 61104623. The next prime is 61104643. The reversal of 61104624 is 42640116.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 61104594 and 61104603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61104623) 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, 6609 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (2333184).

Almost surely, 2^61104624 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 61104624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93327360).

61104624 is an abundant number, since it is smaller than the sum of its proper divisors (125550096).

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

61104624 is a wasteful number, since it uses less digits than its factorization.

61104624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318 (or 6312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61104624 is about 7816.9446716732. The cubic root of 61104624 is about 393.8746455468.

The spelling of 61104624 in words is "sixty-one million, one hundred four thousand, six hundred twenty-four".