726547887 has 96 divisors (see below), whose sum is σ = 1263644928. Its totient is φ = 413185536.

The previous prime is 726547883. The next prime is 726547931. The reversal of 726547887 is 788745627.

It is a happy number.

It is not a de Polignac number, because 726547887 - 2² = 726547883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726547883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4457268 + ... + 4457430.

It is an arithmetic number, because the mean of its divisors is an integer number (13162968).

Almost surely, 2^726547887 is an apocalyptic number.

726547887 is a deficient number, since it is larger than the sum of its proper divisors (537097041).

726547887 is a wasteful number, since it uses less digits than its factorization.

726547887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 279 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 726547887 is about 26954.5522500375. The cubic root of 726547887 is about 898.9897664556.

The spelling of 726547887 in words is "seven hundred twenty-six million, five hundred forty-seven thousand, eight hundred eighty-seven".