74402622 has 48 divisors (see below), whose sum is σ = 186781920. Its totient is φ = 20964096.

The previous prime is 74402621. The next prime is 74402623. The reversal of 74402622 is 22620447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74402621) and next prime (74402623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74402621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5154 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (3891290).

Almost surely, 2^74402622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74402622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93390960).

74402622 is an abundant number, since it is smaller than the sum of its proper divisors (112379298).

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

74402622 is a wasteful number, since it uses less digits than its factorization.

74402622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8177 (or 8174 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 74402622 is about 8625.6954502231. The cubic root of 74402622 is about 420.5936842214.

The spelling of 74402622 in words is "seventy-four million, four hundred two thousand, six hundred twenty-two".