74226900 has 144 divisors (see below), whose sum is σ = 237984768. Its totient is φ = 17712000.

The previous prime is 74226881. The next prime is 74226917. The reversal of 74226900 is 962247.

It is a happy number.

It is a super-2 number, since 2×74226900² = 11019265367220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273765 + ... + 274035.

It is an arithmetic number, because the mean of its divisors is an integer number (1652672).

Almost surely, 2^74226900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74226900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118992384).

74226900 is an abundant number, since it is smaller than the sum of its proper divisors (163757868).

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

74226900 is a wasteful number, since it uses less digits than its factorization.

74226900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 74226900 is about 8615.5034675868. The cubic root of 74226900 is about 420.2623077989.

The spelling of 74226900 in words is "seventy-four million, two hundred twenty-six thousand, nine hundred".