72803687 has 16 divisors (see below), whose sum is σ = 85557120. Its totient is φ = 61236000.

The previous prime is 72803681. The next prime is 72803711. The reversal of 72803687 is 78630827.

It is a cyclic number.

It is not a de Polignac number, because 72803687 - 2⁸ = 72803431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72803681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4937 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (5347320).

Almost surely, 2^72803687 is an apocalyptic number.

72803687 is a deficient number, since it is larger than the sum of its proper divisors (12753433).

72803687 is a wasteful number, since it uses less digits than its factorization.

72803687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 72803687 is about 8532.5076618776. The cubic root of 72803687 is about 417.5589446697.

The spelling of 72803687 in words is "seventy-two million, eight hundred three thousand, six hundred eighty-seven".