61892680 has 32 divisors (see below), whose sum is σ = 139501440. Its totient is φ = 24713920.

The previous prime is 61892659. The next prime is 61892689. The reversal of 61892680 is 8629816.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61892689) 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, 32145 + ... + 34015.

It is an arithmetic number, because the mean of its divisors is an integer number (4359420).

Almost surely, 2^61892680 is an apocalyptic number.

It is an amenable number.

61892680 is an abundant number, since it is smaller than the sum of its proper divisors (77608760).

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

61892680 is a wasteful number, since it uses less digits than its factorization.

61892680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 61892680 is about 7867.1900955805. The cubic root of 61892680 is about 395.5606629863.

The spelling of 61892680 in words is "sixty-one million, eight hundred ninety-two thousand, six hundred eighty".