72087807 has 12 divisors (see below), whose sum is σ = 105649880. Its totient is φ = 43689360.

The previous prime is 72087797. The next prime is 72087811. The reversal of 72087807 is 70878027.

It is not a de Polignac number, because 72087807 - 2¹⁴ = 72071423 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 (72087607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98932 + ... + 99657.

Almost surely, 2^72087807 is an apocalyptic number.

72087807 is a deficient number, since it is larger than the sum of its proper divisors (33562073).

72087807 is a wasteful number, since it uses less digits than its factorization.

72087807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198614 (or 198603 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 72087807 is about 8490.4538747937. The cubic root of 72087807 is about 416.1858125015.

The spelling of 72087807 in words is "seventy-two million, eighty-seven thousand, eight hundred seven".