72353073 has 8 divisors (see below), whose sum is σ = 103891648. Its totient is φ = 44524944.

The previous prime is 72353063. The next prime is 72353077. The reversal of 72353073 is 37035327.

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

It is not a de Polignac number, because 72353073 - 2⁵ = 72353041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72353073.

It is not an unprimeable number, because it can be changed into a prime (72353077) 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, 927565 + ... + 927642.

It is an arithmetic number, because the mean of its divisors is an integer number (12986456).

Almost surely, 2^72353073 is an apocalyptic number.

It is an amenable number.

72353073 is a deficient number, since it is larger than the sum of its proper divisors (31538575).

72353073 is a wasteful number, since it uses less digits than its factorization.

72353073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855223.

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 72353073 is about 8506.0609567531. The cubic root of 72353073 is about 416.6956759180.

The spelling of 72353073 in words is "seventy-two million, three hundred fifty-three thousand, seventy-three".