74085761 has 4 divisors (see below), whose sum is σ = 74162112. Its totient is φ = 74009412.

The previous prime is 74085757. The next prime is 74085797. The reversal of 74085761 is 16758047.

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 74085761 - 2² = 74085757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74085701) 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, 36701 + ... + 38666.

It is an arithmetic number, because the mean of its divisors is an integer number (18540528).

Almost surely, 2^74085761 is an apocalyptic number.

It is an amenable number.

74085761 is a deficient number, since it is larger than the sum of its proper divisors (76351).

74085761 is an equidigital number, since it uses as much as digits as its factorization.

74085761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76350.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 74085761 is about 8607.3085805030. The cubic root of 74085761 is about 419.9957690428.

The spelling of 74085761 in words is "seventy-four million, eighty-five thousand, seven hundred sixty-one".