61928460 has 72 divisors (see below), whose sum is σ = 204933456. Its totient is φ = 15012480.

The previous prime is 61928437. The next prime is 61928507. The reversal of 61928460 is 6482916.

61928460 is a `hidden beast` number, since 6 + 192 + 8 + 460 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13659 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (2846298).

Almost surely, 2^61928460 is an apocalyptic number.

61928460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61928460 is an abundant number, since it is smaller than the sum of its proper divisors (143004996).

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

61928460 is a wasteful number, since it uses less digits than its factorization.

61928460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303 (or 31298 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 61928460 is about 7869.4637682627. The cubic root of 61928460 is about 395.6368725052.

The spelling of 61928460 in words is "sixty-one million, nine hundred twenty-eight thousand, four hundred sixty".