7406731 has 2 divisors, whose sum is σ = 7406732. Its totient is φ = 7406730.

The previous prime is 7406723. The next prime is 7406741. The reversal of 7406731 is 1376047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7406731 - 2³ = 7406723 is a prime.

It is a super-2 number, since 2×7406731² = 109719328212722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7406731.

It is not a weakly prime, because it can be changed into another prime (7406741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3703365 + 3703366.

It is an arithmetic number, because the mean of its divisors is an integer number (3703366).

Almost surely, 2^7406731 is an apocalyptic number.

7406731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7406731 is an equidigital number, since it uses as much as digits as its factorization.

7406731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7406731 is about 2721.5310029467. The cubic root of 7406731 is about 194.9285822185.

The spelling of 7406731 in words is "seven million, four hundred six thousand, seven hundred thirty-one".