74222736 has 40 divisors (see below), whose sum is σ = 219134784. Its totient is φ = 21206400.

The previous prime is 74222717. The next prime is 74222747. The reversal of 74222736 is 63722247.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 74222697 and 74222706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110115 + ... + 110786.

Almost surely, 2^74222736 is an apocalyptic number.

It is an amenable number.

74222736 is an abundant number, since it is smaller than the sum of its proper divisors (144912048).

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

74222736 is a wasteful number, since it uses less digits than its factorization.

74222736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220919 (or 220913 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 74222736 is about 8615.2618068170. The cubic root of 74222736 is about 420.2544489904.

The spelling of 74222736 in words is "seventy-four million, two hundred twenty-two thousand, seven hundred thirty-six".