61874274 has 64 divisors (see below), whose sum is σ = 155289600. Its totient is φ = 15966720.

The previous prime is 61874251. The next prime is 61874287. The reversal of 61874274 is 47247816.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91602 + ... + 92274.

It is an arithmetic number, because the mean of its divisors is an integer number (2426400).

Almost surely, 2^61874274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61874274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77644800).

61874274 is an abundant number, since it is smaller than the sum of its proper divisors (93415326).

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

61874274 is a wasteful number, since it uses less digits than its factorization.

61874274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its digits is 75264, while the sum is 39.

The square root of 61874274 is about 7866.0202135515. The cubic root of 61874274 is about 395.5214477328.

It can be divided in two parts, 618742 and 74, that added together give a palindrome (618816).

The spelling of 61874274 in words is "sixty-one million, eight hundred seventy-four thousand, two hundred seventy-four".