74970065 has 4 divisors (see below), whose sum is σ = 89964084. Its totient is φ = 59976048.

The previous prime is 74970047. The next prime is 74970083. The reversal of 74970065 is 56007947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56007947 = 5011 ⋅11177.

It is an interprime number because it is at equal distance from previous prime (74970047) and next prime (74970083).

It can be written as a sum of positive squares in 2 ways, for example, as 10601536 + 64368529 = 3256^2 + 8023^2 .

It is a cyclic number.

It is not a de Polignac number, because 74970065 - 2⁶ = 74970001 is a prime.

It is a super-2 number, since 2×74970065² = 11241021292208450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7497002 + ... + 7497011.

It is an arithmetic number, because the mean of its divisors is an integer number (22491021).

Almost surely, 2^74970065 is an apocalyptic number.

It is an amenable number.

74970065 is a deficient number, since it is larger than the sum of its proper divisors (14994019).

74970065 is a wasteful number, since it uses less digits than its factorization.

74970065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994018.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 74970065 is about 8658.5255673238. The cubic root of 74970065 is about 421.6602181693.

The spelling of 74970065 in words is "seventy-four million, nine hundred seventy thousand, sixty-five".