72269390 has 8 divisors (see below), whose sum is σ = 130084920. Its totient is φ = 28907752.

The previous prime is 72269389. The next prime is 72269411. The reversal of 72269390 is 9396227.

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

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, 3613460 + ... + 3613479.

It is an arithmetic number, because the mean of its divisors is an integer number (16260615).

Almost surely, 2^72269390 is an apocalyptic number.

72269390 is a deficient number, since it is larger than the sum of its proper divisors (57815530).

72269390 is a wasteful number, since it uses less digits than its factorization.

72269390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226946.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 72269390 is about 8501.1405117196. The cubic root of 72269390 is about 416.5349649533.

The spelling of 72269390 in words is "seventy-two million, two hundred sixty-nine thousand, three hundred ninety".