74274043 has 4 divisors (see below), whose sum is σ = 74293200. Its totient is φ = 74254888.

The previous prime is 74274019. The next prime is 74274049. The reversal of 74274043 is 34047247.

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 74274043 - 2²¹ = 72176891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74273996 and 74274014.

It is not an unprimeable number, because it can be changed into a prime (74274049) 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, 1480 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (18573300).

Almost surely, 2^74274043 is an apocalyptic number.

74274043 is a deficient number, since it is larger than the sum of its proper divisors (19157).

74274043 is a wasteful number, since it uses less digits than its factorization.

74274043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19156.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74274043 is about 8618.2389732474. The cubic root of 74274043 is about 420.3512613231.

The spelling of 74274043 in words is "seventy-four million, two hundred seventy-four thousand, forty-three".