9472731 has 4 divisors (see below), whose sum is σ = 12630312. Its totient is φ = 6315152.

The previous prime is 9472721. The next prime is 9472747. The reversal of 9472731 is 1372749.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9472731 - 2¹⁷ = 9341659 is a prime.

It is a super-2 number, since 2×9472731² = 179465265196722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9472692 and 9472701.

It is not an unprimeable number, because it can be changed into a prime (9472721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578786 + ... + 1578791.

It is an arithmetic number, because the mean of its divisors is an integer number (3157578).

Almost surely, 2^9472731 is an apocalyptic number.

9472731 is a deficient number, since it is larger than the sum of its proper divisors (3157581).

9472731 is a wasteful number, since it uses less digits than its factorization.

9472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157580.

The product of its digits is 10584, while the sum is 33.

The square root of 9472731 is about 3077.7802065775. The cubic root of 9472731 is about 211.5883417259.

The spelling of 9472731 in words is "nine million, four hundred seventy-two thousand, seven hundred thirty-one".