72823487 has 12 divisors (see below), whose sum is σ = 80262840. Its totient is φ = 66023760.

The previous prime is 72823483. The next prime is 72823501. The reversal of 72823487 is 78432827.

It is not a de Polignac number, because 72823487 - 2² = 72823483 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 (72823483) 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, 67589 + ... + 68657.

It is an arithmetic number, because the mean of its divisors is an integer number (6688570).

Almost surely, 2^72823487 is an apocalyptic number.

72823487 is a deficient number, since it is larger than the sum of its proper divisors (7439353).

72823487 is a wasteful number, since it uses less digits than its factorization.

72823487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1643 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 72823487 is about 8533.6678515161. The cubic root of 72823487 is about 417.5967949401.

The spelling of 72823487 in words is "seventy-two million, eight hundred twenty-three thousand, four hundred eighty-seven".