7626397 has 2 divisors, whose sum is σ = 7626398. Its totient is φ = 7626396.

The previous prime is 7626373. The next prime is 7626401. The reversal of 7626397 is 7936267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4756761 + 2869636 = 2181^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 7626397 - 2¹¹ = 7624349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7626337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3813198 + 3813199.

It is an arithmetic number, because the mean of its divisors is an integer number (3813199).

Almost surely, 2^7626397 is an apocalyptic number.

It is an amenable number.

7626397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7626397 is an equidigital number, since it uses as much as digits as its factorization.

7626397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 7626397 is about 2761.5931995861. The cubic root of 7626397 is about 196.8368787196.

The spelling of 7626397 in words is "seven million, six hundred twenty-six thousand, three hundred ninety-seven".