61980132 has 24 divisors (see below), whose sum is σ = 144832576. Its totient is φ = 20629728.

The previous prime is 61980131. The next prime is 61980133. The reversal of 61980132 is 23108916.

It is an interprime number because it is at equal distance from previous prime (61980131) and next prime (61980133).

It is a self number, because there is not a number n which added to its sum of digits gives 61980132.

It is not an unprimeable number, because it can be changed into a prime (61980131) 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, 5673 + ... + 12495.

Almost surely, 2^61980132 is an apocalyptic number.

It is an amenable number.

61980132 is an abundant number, since it is smaller than the sum of its proper divisors (82852444).

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

61980132 is a wasteful number, since it uses less digits than its factorization.

61980132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 61980132 is about 7872.7461536620. The cubic root of 61980132 is about 395.7468793596.

The spelling of 61980132 in words is "sixty-one million, nine hundred eighty thousand, one hundred thirty-two".