7661673 has 6 divisors (see below), whose sum is σ = 11066874. Its totient is φ = 5107776.

The previous prime is 7661671. The next prime is 7661677. The reversal of 7661673 is 3761667.

7661673 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 2585664 = 2253^2 + 1608^2 .

It is not a de Polignac number, because 7661673 - 2¹ = 7661671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7661671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425640 + ... + 425657.

It is an arithmetic number, because the mean of its divisors is an integer number (1844479).

Almost surely, 2^7661673 is an apocalyptic number.

It is an amenable number.

7661673 is a deficient number, since it is larger than the sum of its proper divisors (3405201).

7661673 is a wasteful number, since it uses less digits than its factorization.

7661673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851303 (or 851300 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 7661673 is about 2767.9727238540. The cubic root of 7661673 is about 197.1399025122.

The spelling of 7661673 in words is "seven million, six hundred sixty-one thousand, six hundred seventy-three".