7621673 has 2 divisors, whose sum is σ = 7621674. Its totient is φ = 7621672.

The previous prime is 7621643. The next prime is 7621681. The reversal of 7621673 is 3761267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 3139984 = 2117^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 7621673 - 2⁶ = 7621609 is a prime.

It is not a weakly prime, because it can be changed into another prime (7621633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810836 + 3810837.

It is an arithmetic number, because the mean of its divisors is an integer number (3810837).

Almost surely, 2^7621673 is an apocalyptic number.

It is an amenable number.

7621673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7621673 is an equidigital number, since it uses as much as digits as its factorization.

7621673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 7621673 is about 2760.7377637146. The cubic root of 7621673 is about 196.7962282668.

The spelling of 7621673 in words is "seven million, six hundred twenty-one thousand, six hundred seventy-three".