72862845 has 32 divisors (see below), whose sum is σ = 127941120. Its totient is φ = 35115840.

The previous prime is 72862837. The next prime is 72862847. The reversal of 72862845 is 54826827.

It is a happy number.

It is not a de Polignac number, because 72862845 - 2³ = 72862837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72862797 and 72862806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72862847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28302 + ... + 30768.

It is an arithmetic number, because the mean of its divisors is an integer number (3998160).

Almost surely, 2^72862845 is an apocalyptic number.

It is an amenable number.

72862845 is a deficient number, since it is larger than the sum of its proper divisors (55078275).

72862845 is a wasteful number, since it uses less digits than its factorization.

72862845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its digits is 215040, while the sum is 42.

The square root of 72862845 is about 8535.9735824333. The cubic root of 72862845 is about 417.6720124982.

The spelling of 72862845 in words is "seventy-two million, eight hundred sixty-two thousand, eight hundred forty-five".