72433679 has 4 divisors (see below), whose sum is σ = 74391384. Its totient is φ = 70475976.

The previous prime is 72433663. The next prime is 72433729. The reversal of 72433679 is 97633427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72433679 - 2⁴ = 72433663 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 (72433609) 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, 978797 + ... + 978870.

It is an arithmetic number, because the mean of its divisors is an integer number (18597846).

Almost surely, 2^72433679 is an apocalyptic number.

72433679 is a deficient number, since it is larger than the sum of its proper divisors (1957705).

72433679 is a wasteful number, since it uses less digits than its factorization.

72433679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957704.

The product of its digits is 190512, while the sum is 41.

The square root of 72433679 is about 8510.7977886917. The cubic root of 72433679 is about 416.8503604617.

The spelling of 72433679 in words is "seventy-two million, four hundred thirty-three thousand, six hundred seventy-nine".