74352622 has 4 divisors (see below), whose sum is σ = 111528936. Its totient is φ = 37176310.

The previous prime is 74352589. The next prime is 74352659. The reversal of 74352622 is 22625347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22625347 = 97 ⋅233251.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18588154 + ... + 18588157.

It is an arithmetic number, because the mean of its divisors is an integer number (27882234).

Almost surely, 2^74352622 is an apocalyptic number.

74352622 is a deficient number, since it is larger than the sum of its proper divisors (37176314).

74352622 is a wasteful number, since it uses less digits than its factorization.

74352622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37176313.

The product of its digits is 20160, while the sum is 31.

The square root of 74352622 is about 8622.7966461004. The cubic root of 74352622 is about 420.4994474136.

Adding to 74352622 its reverse (22625347), we get a palindrome (96977969).

The spelling of 74352622 in words is "seventy-four million, three hundred fifty-two thousand, six hundred twenty-two".