74085261 has 4 divisors (see below), whose sum is σ = 98780352. Its totient is φ = 49390172.

The previous prime is 74085251. The next prime is 74085287. The reversal of 74085261 is 16258047.

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.

It is a cyclic number.

It is not a de Polignac number, because 74085261 - 2⁶ = 74085197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74085251) 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, 12347541 + ... + 12347546.

It is an arithmetic number, because the mean of its divisors is an integer number (24695088).

Almost surely, 2^74085261 is an apocalyptic number.

It is an amenable number.

74085261 is a deficient number, since it is larger than the sum of its proper divisors (24695091).

74085261 is a wasteful number, since it uses less digits than its factorization.

74085261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24695090.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 74085261 is about 8607.2795353700. The cubic root of 74085261 is about 419.9948241993.

The spelling of 74085261 in words is "seventy-four million, eighty-five thousand, two hundred sixty-one".