61372256 has 48 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 27530880.

The previous prime is 61372231. The next prime is 61372277. The reversal of 61372256 is 65227316.

61372256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26705 + ... + 28911.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^61372256 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 61372256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66769920).

61372256 is an abundant number, since it is smaller than the sum of its proper divisors (72167584).

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

61372256 is a wasteful number, since it uses less digits than its factorization.

61372256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2299 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 61372256 is about 7834.0446769214. The cubic root of 61372256 is about 394.4488515866.

The spelling of 61372256 in words is "sixty-one million, three hundred seventy-two thousand, two hundred fifty-six".