7645073 has 2 divisors, whose sum is σ = 7645074. Its totient is φ = 7645072.

The previous prime is 7645061. The next prime is 7645117. The reversal of 7645073 is 3705467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 425104 = 2687^2 + 652^2 .

It is an emirp because it is prime and its reverse (3705467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7645073 - 2¹⁴ = 7628689 is a prime.

It is not a weakly prime, because it can be changed into another prime (7648073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3822536 + 3822537.

It is an arithmetic number, because the mean of its divisors is an integer number (3822537).

Almost surely, 2^7645073 is an apocalyptic number.

It is an amenable number.

7645073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7645073 is an equidigital number, since it uses as much as digits as its factorization.

7645073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 7645073 is about 2764.9725134258. The cubic root of 7645073 is about 196.9974232444.

The spelling of 7645073 in words is "seven million, six hundred forty-five thousand, seventy-three".