74307023 has 4 divisors (see below), whose sum is σ = 84922320. Its totient is φ = 63691728.

The previous prime is 74307011. The next prime is 74307029. The reversal of 74307023 is 32070347.

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

It is a cyclic number.

It is not a de Polignac number, because 74307023 - 2¹² = 74302927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74306983 and 74307001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74307029) by changing a digit.

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, 5307638 + ... + 5307651.

It is an arithmetic number, because the mean of its divisors is an integer number (21230580).

Almost surely, 2^74307023 is an apocalyptic number.

74307023 is a deficient number, since it is larger than the sum of its proper divisors (10615297).

74307023 is a wasteful number, since it uses less digits than its factorization.

74307023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615296.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 74307023 is about 8620.1521448290. The cubic root of 74307023 is about 420.4134684893.

The spelling of 74307023 in words is "seventy-four million, three hundred seven thousand, twenty-three".