7290631 has 2 divisors, whose sum is σ = 7290632. Its totient is φ = 7290630.

The previous prime is 7290589. The next prime is 7290641. The reversal of 7290631 is 1360927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7290631 - 2⁹ = 7290119 is a prime.

It is a super-2 number, since 2×7290631² = 106306600756322, 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 7290631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7290641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645315 + 3645316.

It is an arithmetic number, because the mean of its divisors is an integer number (3645316).

Almost surely, 2^7290631 is an apocalyptic number.

7290631 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290631 is an equidigital number, since it uses as much as digits as its factorization.

7290631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7290631 is about 2700.1168493234. The cubic root of 7290631 is about 193.9047163789.

It can be divided in two parts, 7290 and 631, that added together give a square (7921 = 89²).

The spelling of 7290631 in words is "seven million, two hundred ninety thousand, six hundred thirty-one".