74072227 has 2 divisors, whose sum is σ = 74072228. Its totient is φ = 74072226.

The previous prime is 74072191. The next prime is 74072231. The reversal of 74072227 is 72227047.

It is a strong prime.

It is an emirp because it is prime and its reverse (72227047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74072227 is a prime.

It is not a weakly prime, because it can be changed into another prime (74072267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37036113 + 37036114.

It is an arithmetic number, because the mean of its divisors is an integer number (37036114).

Almost surely, 2^74072227 is an apocalyptic number.

74072227 is a deficient number, since it is larger than the sum of its proper divisors (1).

74072227 is an equidigital number, since it uses as much as digits as its factorization.

74072227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74072227 is about 8606.5223522628. The cubic root of 74072227 is about 419.9701925180.

The spelling of 74072227 in words is "seventy-four million, seventy-two thousand, two hundred twenty-seven".