61802104 has 64 divisors (see below), whose sum is σ = 148861440. Its totient is φ = 23379840.

The previous prime is 61802063. The next prime is 61802113. The reversal of 61802104 is 40120816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14899 + ... + 18589.

It is an arithmetic number, because the mean of its divisors is an integer number (2325960).

Almost surely, 2^61802104 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 61802104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74430720).

61802104 is an abundant number, since it is smaller than the sum of its proper divisors (87059336).

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

61802104 is a wasteful number, since it uses less digits than its factorization.

61802104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 61802104 is about 7861.4314218213. The cubic root of 61802104 is about 395.3676094927.

The spelling of 61802104 in words is "sixty-one million, eight hundred two thousand, one hundred four".