74107261 has 4 divisors (see below), whose sum is σ = 74175552. Its totient is φ = 74038972.

The previous prime is 74107217. The next prime is 74107289. The reversal of 74107261 is 16270147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16270147 = 71 ⋅229157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74107261 is a prime.

It is a super-2 number, since 2×74107261² = 10983772265844242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74107211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32491 + ... + 34696.

It is an arithmetic number, because the mean of its divisors is an integer number (18543888).

Almost surely, 2^74107261 is an apocalyptic number.

It is an amenable number.

74107261 is a deficient number, since it is larger than the sum of its proper divisors (68291).

74107261 is a wasteful number, since it uses less digits than its factorization.

74107261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68290.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 74107261 is about 8608.5574285126. The cubic root of 74107261 is about 420.0363932939.

The spelling of 74107261 in words is "seventy-four million, one hundred seven thousand, two hundred sixty-one".