73724226 has 8 divisors (see below), whose sum is σ = 147448464. Its totient is φ = 24574740.

The previous prime is 73724197. The next prime is 73724227. The reversal of 73724226 is 62242737.

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

73724226 is an admirable number.

It is a super-2 number, since 2×73724226² = 10870522998598152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73724227) 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 in 3 ways as a sum of consecutive naturals, for example, 6143680 + ... + 6143691.

It is an arithmetic number, because the mean of its divisors is an integer number (18431058).

Almost surely, 2^73724226 is an apocalyptic number.

73724226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73724226 is a wasteful number, since it uses less digits than its factorization.

73724226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287376.

The product of its digits is 28224, while the sum is 33.

The square root of 73724226 is about 8586.2812672309. The cubic root of 73724226 is about 419.3114682363.

The spelling of 73724226 in words is "seventy-three million, seven hundred twenty-four thousand, two hundred twenty-six".