7326736731 has 12 divisors (see below), whose sum is σ = 10604110608. Its totient is φ = 4874777424.

The previous prime is 7326736723. The next prime is 7326736751. The reversal of 7326736731 is 1376376237.

It is not a de Polignac number, because 7326736731 - 2³ = 7326736723 is a prime.

It is a super-2 number, since 2×7326736731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7326736751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804700 + ... + 813753.

It is an arithmetic number, because the mean of its divisors is an integer number (883675884).

Almost surely, 2^7326736731 is an apocalyptic number.

7326736731 is a deficient number, since it is larger than the sum of its proper divisors (3277373877).

7326736731 is a wasteful number, since it uses less digits than its factorization.

7326736731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618962 (or 1618959 counting only the distinct ones).

The product of its digits is 666792, while the sum is 45.

The square root of 7326736731 is about 85596.3593326258. The cubic root of 7326736731 is about 1942.2428387026.

The spelling of 7326736731 in words is "seven billion, three hundred twenty-six million, seven hundred thirty-six thousand, seven hundred thirty-one".