746929521 has 12 divisors (see below), whose sum is σ = 1161890548. Its totient is φ = 459648864.

The previous prime is 746929517. The next prime is 746929537. The reversal of 746929521 is 125929647.

746929521 is digitally balanced in base 2, 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 2 ways, for example, as 301508496 + 445421025 = 17364^2 + 21105^2 .

It is not a de Polignac number, because 746929521 - 2² = 746929517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (746929511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3191890 + ... + 3192123.

Almost surely, 2^746929521 is an apocalyptic number.

It is an amenable number.

746929521 is a deficient number, since it is larger than the sum of its proper divisors (414961027).

746929521 is a wasteful number, since it uses less digits than its factorization.

746929521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384032 (or 6384029 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 746929521 is about 27330.0113611392. The cubic root of 746929521 is about 907.3187270835.

The spelling of 746929521 in words is "seven hundred forty-six million, nine hundred twenty-nine thousand, five hundred twenty-one".