74020322 has 4 divisors (see below), whose sum is σ = 111030486. Its totient is φ = 37010160.

The previous prime is 74020291. The next prime is 74020337. The reversal of 74020322 is 22302047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72063121 + 1957201 = 8489^2 + 1399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74020294 and 74020303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18505079 + ... + 18505082.

Almost surely, 2^74020322 is an apocalyptic number.

74020322 is a deficient number, since it is larger than the sum of its proper divisors (37010164).

74020322 is a wasteful number, since it uses less digits than its factorization.

74020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37010163.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 74020322 is about 8603.5063782158. The cubic root of 74020322 is about 419.8720736621.

Adding to 74020322 its reverse (22302047), we get a palindrome (96322369).

The spelling of 74020322 in words is "seventy-four million, twenty thousand, three hundred twenty-two".