61928830 has 8 divisors (see below), whose sum is σ = 111471912. Its totient is φ = 24771528.

The previous prime is 61928821. The next prime is 61928831. The reversal of 61928830 is 3882916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61928830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61928831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096432 + ... + 3096451.

It is an arithmetic number, because the mean of its divisors is an integer number (13933989).

Almost surely, 2^61928830 is an apocalyptic number.

61928830 is a deficient number, since it is larger than the sum of its proper divisors (49543082).

61928830 is a wasteful number, since it uses less digits than its factorization.

61928830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192890.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 61928830 is about 7869.4872768180. The cubic root of 61928830 is about 395.6376604324.

The spelling of 61928830 in words is "sixty-one million, nine hundred twenty-eight thousand, eight hundred thirty".