74317069 has 4 divisors (see below), whose sum is σ = 74334460. Its totient is φ = 74299680.

The previous prime is 74317063. The next prime is 74317073. The reversal of 74317069 is 96071347.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 44756100 + 29560969 = 6690^2 + 5437^2 .

It is a cyclic number.

It is not a de Polignac number, because 74317069 - 2⁷ = 74316941 is a prime.

It is a super-2 number, since 2×74317069² = 11046053489501522, 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 (74317063) 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, 2647 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (18583615).

Almost surely, 2^74317069 is an apocalyptic number.

It is an amenable number.

74317069 is a deficient number, since it is larger than the sum of its proper divisors (17391).

74317069 is an equidigital number, since it uses as much as digits as its factorization.

74317069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17390.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 74317069 is about 8620.7348294678. The cubic root of 74317069 is about 420.4324136854.

The spelling of 74317069 in words is "seventy-four million, three hundred seventeen thousand, sixty-nine".