74607073 has 4 divisors (see below), whose sum is σ = 74651668. Its totient is φ = 74562480.

The previous prime is 74607041. The next prime is 74607077. The reversal of 74607073 is 37070647.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37847104 + 36759969 = 6152^2 + 6063^2 .

It is a cyclic number.

It is not a de Polignac number, because 74607073 - 2⁵ = 74607041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74607077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19686 + ... + 23167.

It is an arithmetic number, because the mean of its divisors is an integer number (18662917).

Almost surely, 2^74607073 is an apocalyptic number.

It is an amenable number.

74607073 is a deficient number, since it is larger than the sum of its proper divisors (44595).

74607073 is a wasteful number, since it uses less digits than its factorization.

74607073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44594.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 74607073 is about 8637.5385961511. The cubic root of 74607073 is about 420.9785817439.

The spelling of 74607073 in words is "seventy-four million, six hundred seven thousand, seventy-three".