61751360 has 112 divisors (see below), whose sum is σ = 163933632. Its totient is φ = 21964800.

The previous prime is 61751359. The next prime is 61751369. The reversal of 61751360 is 6315716.

It is not an unprimeable number, because it can be changed into a prime (61751369) 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, 186395 + ... + 186725.

Almost surely, 2^61751360 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 61751360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81966816).

61751360 is an abundant number, since it is smaller than the sum of its proper divisors (102182272).

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

61751360 is a wasteful number, since it uses less digits than its factorization.

61751360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 61751360 is about 7858.2033570022. The cubic root of 61751360 is about 395.2593713901.

The spelling of 61751360 in words is "sixty-one million, seven hundred fifty-one thousand, three hundred sixty".