74189622 has 32 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 22672800.

The previous prime is 74189587. The next prime is 74189639. The reversal of 74189622 is 22698147.

It is a super-3 number, since 3×74189622³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8629 + ... + 14927.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^74189622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74189622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

74189622 is an abundant number, since it is smaller than the sum of its proper divisors (86687178).

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

74189622 is a wasteful number, since it uses less digits than its factorization.

74189622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its digits is 48384, while the sum is 39.

The square root of 74189622 is about 8613.3397703794. The cubic root of 74189622 is about 420.1919417469.

The spelling of 74189622 in words is "seventy-four million, one hundred eighty-nine thousand, six hundred twenty-two".