61388932 has 24 divisors (see below), whose sum is σ = 122294592. Its totient is φ = 26690400.

The previous prime is 61388903. The next prime is 61388941. The reversal of 61388932 is 23988316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29319 + ... + 31342.

It is an arithmetic number, because the mean of its divisors is an integer number (5095608).

Almost surely, 2^61388932 is an apocalyptic number.

It is an amenable number.

61388932 is a deficient number, since it is larger than the sum of its proper divisors (60905660).

61388932 is a wasteful number, since it uses less digits than its factorization.

61388932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60699 (or 60697 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 61388932 is about 7835.1089335120. The cubic root of 61388932 is about 394.4845747499.

The spelling of 61388932 in words is "sixty-one million, three hundred eighty-eight thousand, nine hundred thirty-two".