73722590 has 16 divisors (see below), whose sum is σ = 138470688. Its totient is φ = 28206816.

The previous prime is 73722589. The next prime is 73722599. The reversal of 73722590 is 9522737.

It is a self number, because there is not a number n which added to its sum of digits gives 73722590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73722599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160037 + ... + 160496.

It is an arithmetic number, because the mean of its divisors is an integer number (8654418).

Almost surely, 2^73722590 is an apocalyptic number.

73722590 is a deficient number, since it is larger than the sum of its proper divisors (64748098).

73722590 is a wasteful number, since it uses less digits than its factorization.

73722590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320563.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 73722590 is about 8586.1859984512. The cubic root of 73722590 is about 419.3083665936.

The spelling of 73722590 in words is "seventy-three million, seven hundred twenty-two thousand, five hundred ninety".