73994722 has 4 divisors (see below), whose sum is σ = 110992086. Its totient is φ = 36997360.

The previous prime is 73994717. The next prime is 73994729. The reversal of 73994722 is 22749937.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22749937 = 7 ⋅3249991.

It can be written as a sum of positive squares in only one way, i.e., 68046001 + 5948721 = 8249^2 + 2439^2 .

It is not an unprimeable number, because it can be changed into a prime (73994729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498679 + ... + 18498682.

Almost surely, 2^73994722 is an apocalyptic number.

73994722 is a deficient number, since it is larger than the sum of its proper divisors (36997364).

73994722 is a wasteful number, since it uses less digits than its factorization.

73994722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36997363.

The product of its digits is 190512, while the sum is 43.

The square root of 73994722 is about 8602.0184840536. The cubic root of 73994722 is about 419.8236636932.

It can be divided in two parts, 7399 and 4722, that added together give a palindrome (12121).

The spelling of 73994722 in words is "seventy-three million, nine hundred ninety-four thousand, seven hundred twenty-two".