74267427 has 8 divisors (see below), whose sum is σ = 106640464. Its totient is φ = 45703008.

The previous prime is 74267383. The next prime is 74267443. The reversal of 74267427 is 72476247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74267427 - 2¹¹ = 74265379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1904293 = 74267427 / (7 + 4 + 2 + 6 + 7 + 4 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74267467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952108 + ... + 952185.

It is an arithmetic number, because the mean of its divisors is an integer number (13330058).

Almost surely, 2^74267427 is an apocalyptic number.

74267427 is a deficient number, since it is larger than the sum of its proper divisors (32373037).

74267427 is a wasteful number, since it uses less digits than its factorization.

74267427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904309.

The product of its digits is 131712, while the sum is 39.

The square root of 74267427 is about 8617.8551275825. The cubic root of 74267427 is about 420.3387799482.

The spelling of 74267427 in words is "seventy-four million, two hundred sixty-seven thousand, four hundred twenty-seven".