61507932 has 12 divisors (see below), whose sum is σ = 143518536. Its totient is φ = 20502640.

The previous prime is 61507909. The next prime is 61507933. The reversal of 61507932 is 23970516.

61507932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61507893 and 61507902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61507933) 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 in 3 ways as a sum of consecutive naturals, for example, 2562819 + ... + 2562842.

It is an arithmetic number, because the mean of its divisors is an integer number (11959878).

Almost surely, 2^61507932 is an apocalyptic number.

It is an amenable number.

61507932 is an abundant number, since it is smaller than the sum of its proper divisors (82010604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61507932 is a wasteful number, since it uses less digits than its factorization.

61507932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125668 (or 5125666 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 61507932 is about 7842.6992802223. The cubic root of 61507932 is about 394.7393077703.

The spelling of 61507932 in words is "sixty-one million, five hundred seven thousand, nine hundred thirty-two".