74220235 has 4 divisors (see below), whose sum is σ = 89064288. Its totient is φ = 59376184.

The previous prime is 74220233. The next prime is 74220239. The reversal of 74220235 is 53202247.

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 74220235 - 2¹ = 74220233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74220233) 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, 7422019 + ... + 7422028.

It is an arithmetic number, because the mean of its divisors is an integer number (22266072).

Almost surely, 2^74220235 is an apocalyptic number.

74220235 is a deficient number, since it is larger than the sum of its proper divisors (14844053).

74220235 is a wasteful number, since it uses less digits than its factorization.

74220235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14844052.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 74220235 is about 8615.1166562038. The cubic root of 74220235 is about 420.2497286570.

The spelling of 74220235 in words is "seventy-four million, two hundred twenty thousand, two hundred thirty-five".