7620733 has 2 divisors, whose sum is σ = 7620734. Its totient is φ = 7620732.

The previous prime is 7620703. The next prime is 7620737. The reversal of 7620733 is 3370267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 2229049 = 2322^2 + 1493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7620733 is a prime.

7620733 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7620737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810366 + 3810367.

It is an arithmetic number, because the mean of its divisors is an integer number (3810367).

Almost surely, 2^7620733 is an apocalyptic number.

It is an amenable number.

7620733 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620733 is an equidigital number, since it uses as much as digits as its factorization.

7620733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 7620733 is about 2760.5675141173. The cubic root of 7620733 is about 196.7881374771.

The spelling of 7620733 in words is "seven million, six hundred twenty thousand, seven hundred thirty-three".