746808646 has 16 divisors (see below), whose sum is σ = 1142706240. Its totient is φ = 365976000.

The previous prime is 746808619. The next prime is 746808659. The reversal of 746808646 is 646808647.

It is a self number, because there is not a number n which added to its sum of digits gives 746808646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 38896.

It is an arithmetic number, because the mean of its divisors is an integer number (71419140).

Almost surely, 2^746808646 is an apocalyptic number.

746808646 is a deficient number, since it is larger than the sum of its proper divisors (395897594).

746808646 is a wasteful number, since it uses less digits than its factorization.

746808646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34719.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The square root of 746808646 is about 27327.7998748527. The cubic root of 746808646 is about 907.2697808913.

Subtracting from 746808646 its reverse (646808647), we obtain a palindrome (99999999).

The spelling of 746808646 in words is "seven hundred forty-six million, eight hundred eight thousand, six hundred forty-six".