61320924 has 72 divisors (see below), whose sum is σ = 181301120. Its totient is φ = 17109792.

The previous prime is 61320869. The next prime is 61320937. The reversal of 61320924 is 42902316.

61320924 is a `hidden beast` number, since 613 + 20 + 9 + 24 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8007 + ... + 13665.

Almost surely, 2^61320924 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 61320924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90650560).

61320924 is an abundant number, since it is smaller than the sum of its proper divisors (119980196).

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

61320924 is a wasteful number, since it uses less digits than its factorization.

61320924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61320924 is about 7830.7677784493. The cubic root of 61320924 is about 394.3388480469.

The spelling of 61320924 in words is "sixty-one million, three hundred twenty thousand, nine hundred twenty-four".