72223593 has 16 divisors (see below), whose sum is σ = 106510656. Its totient is φ = 43243200.

The previous prime is 72223559. The next prime is 72223597. The reversal of 72223593 is 39532227.

It is not a de Polignac number, because 72223593 - 2¹⁰ = 72222569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72223597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23583 + ... + 26468.

It is an arithmetic number, because the mean of its divisors is an integer number (6656916).

Almost surely, 2^72223593 is an apocalyptic number.

It is an amenable number.

72223593 is a deficient number, since it is larger than the sum of its proper divisors (34287063).

72223593 is a wasteful number, since it uses less digits than its factorization.

72223593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50104.

The product of its digits is 22680, while the sum is 33.

The square root of 72223593 is about 8498.4465050973. The cubic root of 72223593 is about 416.4469605082.

The spelling of 72223593 in words is "seventy-two million, two hundred twenty-three thousand, five hundred ninety-three".