61944152 has 16 divisors (see below), whose sum is σ = 121195440. Its totient is φ = 29625376.

The previous prime is 61944151. The next prime is 61944191. The reversal of 61944152 is 25144916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61944151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168143 + ... + 168510.

It is an arithmetic number, because the mean of its divisors is an integer number (7574715).

Almost surely, 2^61944152 is an apocalyptic number.

It is an amenable number.

61944152 is a deficient number, since it is larger than the sum of its proper divisors (59251288).

61944152 is a wasteful number, since it uses less digits than its factorization.

61944152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336682 (or 336678 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 61944152 is about 7870.4607234901. The cubic root of 61944152 is about 395.6702863804.

The spelling of 61944152 in words is "sixty-one million, nine hundred forty-four thousand, one hundred fifty-two".