72453073 has 8 divisors (see below), whose sum is σ = 90331200. Its totient is φ = 56456880.

The previous prime is 72453053. The next prime is 72453079. The reversal of 72453073 is 37035427.

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 72453073 - 2⁹ = 72452561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72453079) 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, 470398 + ... + 470551.

It is an arithmetic number, because the mean of its divisors is an integer number (11291400).

Almost surely, 2^72453073 is an apocalyptic number.

It is an amenable number.

72453073 is a deficient number, since it is larger than the sum of its proper divisors (17878127).

72453073 is a wasteful number, since it uses less digits than its factorization.

72453073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940967.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 72453073 is about 8511.9370885833. The cubic root of 72453073 is about 416.8875608109.

The spelling of 72453073 in words is "seventy-two million, four hundred fifty-three thousand, seventy-three".