74612123 has 4 divisors (see below), whose sum is σ = 74772360. Its totient is φ = 74451888.

The previous prime is 74612081. The next prime is 74612147. The reversal of 74612123 is 32121647.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74612123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74612092 and 74612101.

It is not an unprimeable number, because it can be changed into a prime (74612423) 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, 79418 + ... + 80351.

It is an arithmetic number, because the mean of its divisors is an integer number (18693090).

Almost surely, 2^74612123 is an apocalyptic number.

74612123 is a deficient number, since it is larger than the sum of its proper divisors (160237).

74612123 is a wasteful number, since it uses less digits than its factorization.

74612123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160236.

The product of its digits is 2016, while the sum is 26.

The square root of 74612123 is about 8637.8309198548. The cubic root of 74612123 is about 420.9880799223.

The spelling of 74612123 in words is "seventy-four million, six hundred twelve thousand, one hundred twenty-three".