74085357 has 4 divisors (see below), whose sum is σ = 98780480. Its totient is φ = 49390236.

The previous prime is 74085329. The next prime is 74085373. The reversal of 74085357 is 75358047.

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 not a de Polignac number, because 74085357 - 2¹⁰ = 74084333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74085377) 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, 12347557 + ... + 12347562.

It is an arithmetic number, because the mean of its divisors is an integer number (24695120).

Almost surely, 2^74085357 is an apocalyptic number.

It is an amenable number.

74085357 is a deficient number, since it is larger than the sum of its proper divisors (24695123).

74085357 is a wasteful number, since it uses less digits than its factorization.

74085357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24695122.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 74085357 is about 8607.2851120432. The cubic root of 74085357 is about 419.9950056095.

The spelling of 74085357 in words is "seventy-four million, eighty-five thousand, three hundred fifty-seven".