74780722 has 8 divisors (see below), whose sum is σ = 118769436. Its totient is φ = 35190912.

The previous prime is 74780707. The next prime is 74780723. The reversal of 74780722 is 22708747.

It can be written as a sum of positive squares in 2 ways, for example, as 55517401 + 19263321 = 7451^2 + 4389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74780723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099683 + ... + 1099750.

Almost surely, 2^74780722 is an apocalyptic number.

74780722 is a deficient number, since it is larger than the sum of its proper divisors (43988714).

74780722 is a wasteful number, since it uses less digits than its factorization.

74780722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199452.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 74780722 is about 8647.5847495124. The cubic root of 74780722 is about 421.3049398416.

The spelling of 74780722 in words is "seventy-four million, seven hundred eighty thousand, seven hundred twenty-two".