61274069 has 12 divisors (see below), whose sum is σ = 68522400. Its totient is φ = 54629568.

The previous prime is 61274063. The next prime is 61274077. The reversal of 61274069 is 96047216.

It is not a de Polignac number, because 61274069 - 2²⁴ = 44496853 is a prime.

It is a super-2 number, since 2×61274069² = 7509023063633522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61274063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (5710200).

Almost surely, 2^61274069 is an apocalyptic number.

It is an amenable number.

61274069 is a deficient number, since it is larger than the sum of its proper divisors (7248331).

61274069 is a wasteful number, since it uses less digits than its factorization.

61274069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11195 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 61274069 is about 7827.7754822172. The cubic root of 61274069 is about 394.2383850319.

The spelling of 61274069 in words is "sixty-one million, two hundred seventy-four thousand, sixty-nine".