746564746 has 8 divisors (see below), whose sum is σ = 1123056900. Its totient is φ = 372212448.

The previous prime is 746564743. The next prime is 746564747. The reversal of 746564746 is 647465647.

It can be written as a sum of positive squares in 2 ways, for example, as 726895521 + 19669225 = 26961^2 + 4435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 746564746.

It is not an unprimeable number, because it can be changed into a prime (746564743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534091 + ... + 535486.

Almost surely, 2^746564746 is an apocalyptic number.

746564746 is a deficient number, since it is larger than the sum of its proper divisors (376492154).

746564746 is a wasteful number, since it uses less digits than its factorization.

746564746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069928.

The product of its digits is 3386880, while the sum is 49.

The square root of 746564746 is about 27323.3370216743. The cubic root of 746564746 is about 907.1710018200.

Subtracting from 746564746 its reverse (647465647), we obtain a palindrome (99099099).

The spelling of 746564746 in words is "seven hundred forty-six million, five hundred sixty-four thousand, seven hundred forty-six".