73622746 has 4 divisors (see below), whose sum is σ = 110434122. Its totient is φ = 36811372.

The previous prime is 73622723. The next prime is 73622761. The reversal of 73622746 is 64722637.

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., 63027721 + 10595025 = 7939^2 + 3255^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405685 + ... + 18405688.

Almost surely, 2^73622746 is an apocalyptic number.

73622746 is a deficient number, since it is larger than the sum of its proper divisors (36811376).

73622746 is a wasteful number, since it uses less digits than its factorization.

73622746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36811375.

The product of its digits is 84672, while the sum is 37.

The square root of 73622746 is about 8580.3698055503. The cubic root of 73622746 is about 419.1189884644.

The spelling of 73622746 in words is "seventy-three million, six hundred twenty-two thousand, seven hundred forty-six".