61692380 has 12 divisors (see below), whose sum is σ = 129554040. Its totient is φ = 24676944.

The previous prime is 61692377. The next prime is 61692383. The reversal of 61692380 is 8329616.

It is an interprime number because it is at equal distance from previous prime (61692377) and next prime (61692383).

It is a self number, because there is not a number n which added to its sum of digits gives 61692380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61692383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542290 + ... + 1542329.

It is an arithmetic number, because the mean of its divisors is an integer number (10796170).

Almost surely, 2^61692380 is an apocalyptic number.

It is an amenable number.

61692380 is an abundant number, since it is smaller than the sum of its proper divisors (67861660).

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

61692380 is a wasteful number, since it uses less digits than its factorization.

61692380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084628 (or 3084626 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 61692380 is about 7854.4496942816. The cubic root of 61692380 is about 395.1334911735.

The spelling of 61692380 in words is "sixty-one million, six hundred ninety-two thousand, three hundred eighty".