72023393 has 8 divisors (see below), whose sum is σ = 77692608. Its totient is φ = 66372624.

The previous prime is 72023387. The next prime is 72023437. The reversal of 72023393 is 39332027.

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

It is a cyclic number.

It is not a de Polignac number, because 72023393 - 2⁴ = 72023377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72023363) 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, 4130 + ... + 12692.

It is an arithmetic number, because the mean of its divisors is an integer number (9711576).

Almost surely, 2^72023393 is an apocalyptic number.

It is an amenable number.

72023393 is a deficient number, since it is larger than the sum of its proper divisors (5669215).

72023393 is a wasteful number, since it uses less digits than its factorization.

72023393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 72023393 is about 8486.6597080359. The cubic root of 72023393 is about 416.0618147326.

The spelling of 72023393 in words is "seventy-two million, twenty-three thousand, three hundred ninety-three".