746409 has 8 divisors (see below), whose sum is σ = 1012320. Its totient is φ = 489056.

The previous prime is 746371. The next prime is 746411. The reversal of 746409 is 904647.

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

It is a cyclic number.

It is not a de Polignac number, because 746409 - 2⁸ = 746153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (746429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (126540).

2⁷⁴⁶⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

746409 is a deficient number, since it is larger than the sum of its proper divisors (265911).

746409 is a wasteful number, since it uses less digits than its factorization.

746409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 746409 is about 863.9496513108. The cubic root of 746409 is about 90.7107913708.

The spelling of 746409 in words is "seven hundred forty-six thousand, four hundred nine".