61310274 has 16 divisors (see below), whose sum is σ = 124098912. Its totient is φ = 20190368.

The previous prime is 61310273. The next prime is 61310287. The reversal of 61310274 is 47201316.

It is not an unprimeable number, because it can be changed into a prime (61310273) 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, 61059 + ... + 62054.

It is an arithmetic number, because the mean of its divisors is an integer number (7756182).

Almost surely, 2^61310274 is an apocalyptic number.

61310274 is an abundant number, since it is smaller than the sum of its proper divisors (62788638).

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

61310274 is a wasteful number, since it uses less digits than its factorization.

61310274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123201.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 61310274 is about 7830.0877389720. The cubic root of 61310274 is about 394.3160176022.

The spelling of 61310274 in words is "sixty-one million, three hundred ten thousand, two hundred seventy-four".