74226291 has 4 divisors (see below), whose sum is σ = 98968392. Its totient is φ = 49484192.

The previous prime is 74226289. The next prime is 74226371. The reversal of 74226291 is 19262247.

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 74226291 - 2¹ = 74226289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74226211) 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, 12371046 + ... + 12371051.

It is an arithmetic number, because the mean of its divisors is an integer number (24742098).

Almost surely, 2^74226291 is an apocalyptic number.

74226291 is a deficient number, since it is larger than the sum of its proper divisors (24742101).

74226291 is a wasteful number, since it uses less digits than its factorization.

74226291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24742100.

The product of its digits is 12096, while the sum is 33.

The square root of 74226291 is about 8615.4681242519. The cubic root of 74226291 is about 420.2611584382.

The spelling of 74226291 in words is "seventy-four million, two hundred twenty-six thousand, two hundred ninety-one".