72807873 has 8 divisors (see below), whose sum is σ = 98444736. Its totient is φ = 47854800.

The previous prime is 72807853. The next prime is 72807881. The reversal of 72807873 is 37870827.

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

It is not a de Polignac number, because 72807873 - 2¹² = 72803777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72807853) 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, 170698 + ... + 171123.

It is an arithmetic number, because the mean of its divisors is an integer number (12305592).

Almost surely, 2^72807873 is an apocalyptic number.

It is an amenable number.

72807873 is a deficient number, since it is larger than the sum of its proper divisors (25636863).

72807873 is a wasteful number, since it uses less digits than its factorization.

72807873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341895.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 72807873 is about 8532.7529555238. The cubic root of 72807873 is about 417.5669473242.

The spelling of 72807873 in words is "seventy-two million, eight hundred seven thousand, eight hundred seventy-three".