61443692 has 12 divisors (see below), whose sum is σ = 111234480. Its totient is φ = 29662416.

The previous prime is 61443691. The next prime is 61443703. The reversal of 61443692 is 29634416.

It is not an unprimeable number, because it can be changed into a prime (61443691) 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, 264728 + ... + 264959.

It is an arithmetic number, because the mean of its divisors is an integer number (9269540).

Almost surely, 2^61443692 is an apocalyptic number.

It is an amenable number.

61443692 is a deficient number, since it is larger than the sum of its proper divisors (49790788).

61443692 is a wasteful number, since it uses less digits than its factorization.

61443692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529720 (or 529718 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 61443692 is about 7838.6026816008. The cubic root of 61443692 is about 394.6018356017.

The spelling of 61443692 in words is "sixty-one million, four hundred forty-three thousand, six hundred ninety-two".