72670233 has 8 divisors (see below), whose sum is σ = 97429696. Its totient is φ = 48178800.

The previous prime is 72670219. The next prime is 72670267. The reversal of 72670233 is 33207627.

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

It is not a de Polignac number, because 72670233 - 2¹² = 72666137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72670233.

It is not an unprimeable number, because it can be changed into a prime (72670033) 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, 66373 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (12178712).

Almost surely, 2^72670233 is an apocalyptic number.

It is an amenable number.

72670233 is a deficient number, since it is larger than the sum of its proper divisors (24759463).

72670233 is a wasteful number, since it uses less digits than its factorization.

72670233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134015.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 72670233 is about 8524.6837477997. The cubic root of 72670233 is about 417.3036508443.

The spelling of 72670233 in words is "seventy-two million, six hundred seventy thousand, two hundred thirty-three".