74547923 has 4 divisors (see below), whose sum is σ = 74574240. Its totient is φ = 74521608.

The previous prime is 74547911. The next prime is 74547929. The reversal of 74547923 is 32974547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32974547 = 509 ⋅64783.

It is a cyclic number.

It is not a de Polignac number, because 74547923 - 2¹⁴ = 74531539 is a prime.

It is a super-2 number, since 2×74547923² = 11114785647227858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74547929) 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, 8315 + ... + 14772.

It is an arithmetic number, because the mean of its divisors is an integer number (18643560).

Almost surely, 2^74547923 is an apocalyptic number.

74547923 is a deficient number, since it is larger than the sum of its proper divisors (26317).

74547923 is a wasteful number, since it uses less digits than its factorization.

74547923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26316.

The product of its digits is 211680, while the sum is 41.

The square root of 74547923 is about 8634.1139093714. The cubic root of 74547923 is about 420.8672988782.

The spelling of 74547923 in words is "seventy-four million, five hundred forty-seven thousand, nine hundred twenty-three".