72370133 has 8 divisors (see below), whose sum is σ = 79017120. Its totient is φ = 65734480.

The previous prime is 72370079. The next prime is 72370147. The reversal of 72370133 is 33107327.

It is a happy number.

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 72370133 - 2¹⁸ = 72107989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72370433) 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, 15998 + ... + 20016.

It is an arithmetic number, because the mean of its divisors is an integer number (9877140).

Almost surely, 2^72370133 is an apocalyptic number.

It is an amenable number.

72370133 is a deficient number, since it is larger than the sum of its proper divisors (6646987).

72370133 is a wasteful number, since it uses less digits than its factorization.

72370133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 72370133 is about 8507.0637119984. The cubic root of 72370133 is about 416.7284239838.

The spelling of 72370133 in words is "seventy-two million, three hundred seventy thousand, one hundred thirty-three".