61261074 has 36 divisors (see below), whose sum is σ = 154405134. Its totient is φ = 17502912.

The previous prime is 61261063. The next prime is 61261087. The reversal of 61261074 is 47016216.

It can be written as a sum of positive squares in only one way, i.e., 59397849 + 1863225 = 7707^2 + 1365^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33847 + ... + 35610.

Almost surely, 2^61261074 is an apocalyptic number.

61261074 is an abundant number, since it is smaller than the sum of its proper divisors (93144060).

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

61261074 is a wasteful number, since it uses less digits than its factorization.

61261074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69479 (or 69469 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 61261074 is about 7826.9453811816. The cubic root of 61261074 is about 394.2105130456.

The spelling of 61261074 in words is "sixty-one million, two hundred sixty-one thousand, seventy-four".