72223574 has 8 divisors (see below), whose sum is σ = 110854920. Its totient is φ = 35271936.

The previous prime is 72223559. The next prime is 72223597. The reversal of 72223574 is 47532227.

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

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 72223574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419819 + ... + 419990.

It is an arithmetic number, because the mean of its divisors is an integer number (13856865).

Almost surely, 2^72223574 is an apocalyptic number.

72223574 is a deficient number, since it is larger than the sum of its proper divisors (38631346).

72223574 is a wasteful number, since it uses less digits than its factorization.

72223574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839854.

The product of its digits is 23520, while the sum is 32.

The square root of 72223574 is about 8498.4453872458. The cubic root of 72223574 is about 416.4469239897.

The spelling of 72223574 in words is "seventy-two million, two hundred twenty-three thousand, five hundred seventy-four".