747805673 has 16 divisors (see below), whose sum is σ = 823944960. Its totient is φ = 675806976.

The previous prime is 747805661. The next prime is 747805691. The reversal of 747805673 is 376508747.

It is a cyclic number.

It is not a de Polignac number, because 747805673 - 2⁶ = 747805609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747805603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33518 + ... + 51176.

It is an arithmetic number, because the mean of its divisors is an integer number (51496560).

Almost surely, 2^747805673 is an apocalyptic number.

It is an amenable number.

747805673 is a deficient number, since it is larger than the sum of its proper divisors (76139287).

747805673 is a wasteful number, since it uses less digits than its factorization.

747805673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 747805673 is about 27346.0357821751. The cubic root of 747805673 is about 907.6733515699.

The spelling of 747805673 in words is "seven hundred forty-seven million, eight hundred five thousand, six hundred seventy-three".