74220696 has 96 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 21758400.

The previous prime is 74220677. The next prime is 74220697. The reversal of 74220696 is 69602247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 74220696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74220697) 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, 23041 + ... + 26063.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^74220696 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 74220696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

74220696 is an abundant number, since it is smaller than the sum of its proper divisors (152216424).

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

74220696 is a wasteful number, since it uses less digits than its factorization.

74220696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 74220696 is about 8615.1434114587. The cubic root of 74220696 is about 420.2505987464.

The spelling of 74220696 in words is "seventy-four million, two hundred twenty thousand, six hundred ninety-six".