61300920 has 64 divisors (see below), whose sum is σ = 184500000. Its totient is φ = 16293888.

The previous prime is 61300909. The next prime is 61300933. The reversal of 61300920 is 2900316.

61300920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 48456 + ... + 49704.

Almost surely, 2^61300920 is an apocalyptic number.

61300920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61300920 is an abundant number, since it is smaller than the sum of its proper divisors (123199080).

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

61300920 is a wasteful number, since it uses less digits than its factorization.

61300920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 61300920 is about 7829.4904048731. The cubic root of 61300920 is about 394.2959632167.

The spelling of 61300920 in words is "sixty-one million, three hundred thousand, nine hundred twenty".