74227716 has 72 divisors (see below), whose sum is σ = 197381184. Its totient is φ = 23474880.

The previous prime is 74227709. The next prime is 74227771. The reversal of 74227716 is 61772247.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129711 + ... + 130281.

Almost surely, 2^74227716 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 74227716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98690592).

74227716 is an abundant number, since it is smaller than the sum of its proper divisors (123153468).

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

74227716 is a wasteful number, since it uses less digits than its factorization.

74227716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 756 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 74227716 is about 8615.5508239462. The cubic root of 74227716 is about 420.2638478191.

The spelling of 74227716 in words is "seventy-four million, two hundred twenty-seven thousand, seven hundred sixteen".