74345622 has 16 divisors (see below), whose sum is σ = 160129200. Its totient is φ = 22875552.

The previous prime is 74345611. The next prime is 74345627. The reversal of 74345622 is 22654347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74345627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476497 + ... + 476652.

It is an arithmetic number, because the mean of its divisors is an integer number (10008075).

Almost surely, 2^74345622 is an apocalyptic number.

74345622 is an abundant number, since it is smaller than the sum of its proper divisors (85783578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74345622 is a wasteful number, since it uses less digits than its factorization.

74345622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953167.

The product of its digits is 40320, while the sum is 33.

The square root of 74345622 is about 8622.3907357530. The cubic root of 74345622 is about 420.4862508895.

Adding to 74345622 its reverse (22654347), we get a palindrome (96999969).

It can be divided in two parts, 74 and 345622, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 74345622 in words is "seventy-four million, three hundred forty-five thousand, six hundred twenty-two".