61957732 has 6 divisors (see below), whose sum is σ = 108426038. Its totient is φ = 30978864.

The previous prime is 61957723. The next prime is 61957739. The reversal of 61957732 is 23775916.

61957732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 8726116 = 7296^2 + 2954^2 .

It is not an unprimeable number, because it can be changed into a prime (61957739) by changing a digit.

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 as a sum of consecutive naturals, namely, 7744713 + ... + 7744720.

Almost surely, 2^61957732 is an apocalyptic number.

It is an amenable number.

61957732 is a deficient number, since it is larger than the sum of its proper divisors (46468306).

61957732 is a wasteful number, since it uses less digits than its factorization.

61957732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489437 (or 15489435 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 61957732 is about 7871.3233957194. The cubic root of 61957732 is about 395.6991984983.

The spelling of 61957732 in words is "sixty-one million, nine hundred fifty-seven thousand, seven hundred thirty-two".