72412833 has 4 divisors (see below), whose sum is σ = 96550448. Its totient is φ = 48275220.

The previous prime is 72412831. The next prime is 72412867. The reversal of 72412833 is 33821427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72412833 - 2¹ = 72412831 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 72412833.

It is not an unprimeable number, because it can be changed into a prime (72412831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12068803 + ... + 12068808.

It is an arithmetic number, because the mean of its divisors is an integer number (24137612).

Almost surely, 2^72412833 is an apocalyptic number.

It is an amenable number.

72412833 is a deficient number, since it is larger than the sum of its proper divisors (24137615).

72412833 is a wasteful number, since it uses less digits than its factorization.

72412833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24137614.

The product of its digits is 8064, while the sum is 30.

The square root of 72412833 is about 8509.5730210158. The cubic root of 72412833 is about 416.8103675722.

The spelling of 72412833 in words is "seventy-two million, four hundred twelve thousand, eight hundred thirty-three".