61885132 has 24 divisors (see below), whose sum is σ = 111703536. Its totient is φ = 29984448.

The previous prime is 61885129. The next prime is 61885139. The reversal of 61885132 is 23158816.

It is not an unprimeable number, because it can be changed into a prime (61885139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15838 + ... + 19354.

It is an arithmetic number, because the mean of its divisors is an integer number (4654314).

Almost surely, 2^61885132 is an apocalyptic number.

It is an amenable number.

61885132 is a deficient number, since it is larger than the sum of its proper divisors (49818404).

61885132 is a wasteful number, since it uses less digits than its factorization.

61885132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3655 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 61885132 is about 7866.7103671103. The cubic root of 61885132 is about 395.5445823918.

The spelling of 61885132 in words is "sixty-one million, eight hundred eighty-five thousand, one hundred thirty-two".