61303104 has 84 divisors (see below), whose sum is σ = 178308000. Its totient is φ = 20133120.

The previous prime is 61303103. The next prime is 61303133. The reversal of 61303104 is 40130316.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61303103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40147 + ... + 41645.

Almost surely, 2^61303104 is an apocalyptic number.

61303104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61303104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89154000).

61303104 is an abundant number, since it is smaller than the sum of its proper divisors (117004896).

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

61303104 is a wasteful number, since it uses less digits than its factorization.

61303104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61303104 is about 7829.6298763096. The cubic root of 61303104 is about 394.3006457573.

The spelling of 61303104 in words is "sixty-one million, three hundred three thousand, one hundred four".