61172424 has 48 divisors (see below), whose sum is σ = 171025920. Its totient is φ = 19732320.

The previous prime is 61172417. The next prime is 61172453. The reversal of 61172424 is 42427116.

61172424 is a `hidden beast` number, since 611 + 7 + 2 + 42 + 4 = 666.

61172424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 11472 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (3563040).

Almost surely, 2^61172424 is an apocalyptic number.

It is an amenable number.

61172424 is an abundant number, since it is smaller than the sum of its proper divisors (109853496).

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

61172424 is a wasteful number, since it uses less digits than its factorization.

61172424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27450 (or 27443 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 61172424 is about 7821.2802021153. The cubic root of 61172424 is about 394.0202691695.

The spelling of 61172424 in words is "sixty-one million, one hundred seventy-two thousand, four hundred twenty-four".