7072831 has 2 divisors, whose sum is σ = 7072832. Its totient is φ = 7072830.

The previous prime is 7072823. The next prime is 7072841. The reversal of 7072831 is 1382707.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7072831 - 2³ = 7072823 is a prime.

It is a super-2 number, since 2×7072831² = 100049876709122, which contains 22 as substring.

7072831 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7072831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7072801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536415 + 3536416.

It is an arithmetic number, because the mean of its divisors is an integer number (3536416).

Almost surely, 2^7072831 is an apocalyptic number.

7072831 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072831 is an equidigital number, since it uses as much as digits as its factorization.

7072831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7072831 is about 2659.4794603456. The cubic root of 7072831 is about 191.9542624706.

The spelling of 7072831 in words is "seven million, seventy-two thousand, eight hundred thirty-one".