61097874 has 16 divisors (see below), whose sum is σ = 122354112. Its totient is φ = 20339568.

The previous prime is 61097873. The next prime is 61097893. The reversal of 61097874 is 47879016.

It is not an unprimeable number, because it can be changed into a prime (61097873) 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, 1249 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (7647132).

Almost surely, 2^61097874 is an apocalyptic number.

61097874 is an abundant number, since it is smaller than the sum of its proper divisors (61256238).

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

61097874 is a wasteful number, since it uses less digits than its factorization.

61097874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 61097874 is about 7816.5129053818. The cubic root of 61097874 is about 393.8601417249.

The spelling of 61097874 in words is "sixty-one million, ninety-seven thousand, eight hundred seventy-four".