746286409 has 4 divisors (see below), whose sum is σ = 814130640. Its totient is φ = 678442180.

The previous prime is 746286403. The next prime is 746286419. The reversal of 746286409 is 904682647.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 746286409 - 2²⁹ = 209415497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746286403) 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, 33922099 + ... + 33922120.

It is an arithmetic number, because the mean of its divisors is an integer number (203532660).

Almost surely, 2^746286409 is an apocalyptic number.

It is an amenable number.

746286409 is a deficient number, since it is larger than the sum of its proper divisors (67844231).

746286409 is a wasteful number, since it uses less digits than its factorization.

746286409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67844230.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 746286409 is about 27318.2431536144. The cubic root of 746286409 is about 907.0582495359.

The spelling of 746286409 in words is "seven hundred forty-six million, two hundred eighty-six thousand, four hundred nine".