61986874 has 8 divisors (see below), whose sum is σ = 93014208. Its totient is φ = 30982140.

The previous prime is 61986871. The next prime is 61986901. The reversal of 61986874 is 47868916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61986871) 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, 6079 + ... + 12685.

It is an arithmetic number, because the mean of its divisors is an integer number (11626776).

Almost surely, 2^61986874 is an apocalyptic number.

61986874 is a deficient number, since it is larger than the sum of its proper divisors (31027334).

61986874 is a wasteful number, since it uses less digits than its factorization.

61986874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300.

The product of its digits is 580608, while the sum is 49.

The square root of 61986874 is about 7873.1743280585. The cubic root of 61986874 is about 395.7612281982.

The spelling of 61986874 in words is "sixty-one million, nine hundred eighty-six thousand, eight hundred seventy-four".