61004328 has 96 divisors (see below), whose sum is σ = 191647680. Its totient is φ = 15840000.

The previous prime is 61004327. The next prime is 61004341. The reversal of 61004328 is 82340016.

It is a happy number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

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 = 61004298 and 61004307.

It is not an unprimeable number, because it can be changed into a prime (61004327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18828 + ... + 21828.

It is an arithmetic number, because the mean of its divisors is an integer number (1996330).

Almost surely, 2^61004328 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 61004328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95823840).

61004328 is an abundant number, since it is smaller than the sum of its proper divisors (130643352).

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

61004328 is a wasteful number, since it uses less digits than its factorization.

61004328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3024 counting only the distinct ones).

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

The square root of 61004328 is about 7810.5267428004. The cubic root of 61004328 is about 393.6590280134.

The spelling of 61004328 in words is "sixty-one million, four thousand, three hundred twenty-eight".