61927320 has 256 divisors, whose sum is σ = 235146240. Its totient is φ = 12699648.

The previous prime is 61927319. The next prime is 61927337. The reversal of 61927320 is 2372916.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 578707 + ... + 578813.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^61927320 is an apocalyptic number.

61927320 is a gapful number since it is divisible by the number (60) 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 61927320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117573120).

61927320 is an abundant number, since it is smaller than the sum of its proper divisors (173218920).

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

61927320 is a wasteful number, since it uses less digits than its factorization.

61927320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 61927320 is about 7869.3913360564. The cubic root of 61927320 is about 395.6344448179.

The spelling of 61927320 in words is "sixty-one million, nine hundred twenty-seven thousand, three hundred twenty".