745836946 has 12 divisors (see below), whose sum is σ = 1133115102. Its totient is φ = 368191824.

The previous prime is 745836943. The next prime is 745836947. The reversal of 745836946 is 649638547.

It can be written as a sum of positive squares in only one way, i.e., 595896921 + 149940025 = 24411^2 + 12245^2 .

It is a junction number, because it is equal to n+sod(n) for n = 745836893 and 745836902.

It is not an unprimeable number, because it can be changed into a prime (745836943) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 17395 + ... + 42358.

Almost surely, 2^745836946 is an apocalyptic number.

745836946 is a deficient number, since it is larger than the sum of its proper divisors (387278156).

745836946 is an equidigital number, since it uses as much as digits as its factorization.

745836946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59913 (or 59834 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 745836946 is about 27310.0154888275. The cubic root of 745836946 is about 906.8761161573.

The spelling of 745836946 in words is "seven hundred forty-five million, eight hundred thirty-six thousand, nine hundred forty-six".