726864873 has 12 divisors (see below), whose sum is σ = 1127382480. Its totient is φ = 415351272.

The previous prime is 726864839. The next prime is 726864907. The reversal of 726864873 is 378468627.

It is an interprime number because it is at equal distance from previous prime (726864839) and next prime (726864907).

It is not a de Polignac number, because 726864873 - 2¹⁷ = 726733801 is a prime.

It is a super-2 number, since 2×726864873² = 1056665087202612258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (726864773) 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, 2472183 + ... + 2472476.

It is an arithmetic number, because the mean of its divisors is an integer number (93948540).

Almost surely, 2^726864873 is an apocalyptic number.

It is an amenable number.

726864873 is a deficient number, since it is larger than the sum of its proper divisors (400517607).

726864873 is a wasteful number, since it uses less digits than its factorization.

726864873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944676 (or 4944669 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 726864873 is about 26960.4316174649. The cubic root of 726864873 is about 899.1204877026.

The spelling of 726864873 in words is "seven hundred twenty-six million, eight hundred sixty-four thousand, eight hundred seventy-three".