405046673 has 4 divisors (see below), whose sum is σ = 406194468. Its totient is φ = 403898880.

The previous prime is 405046669. The next prime is 405046717. The reversal of 405046673 is 376640504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325694209 + 79352464 = 18047^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 405046673 - 2² = 405046669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405046613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573368 + ... + 574073.

It is an arithmetic number, because the mean of its divisors is an integer number (101548617).

Almost surely, 2^405046673 is an apocalyptic number.

It is an amenable number.

405046673 is a deficient number, since it is larger than the sum of its proper divisors (1147795).

405046673 is a wasteful number, since it uses less digits than its factorization.

405046673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147794.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 405046673 is about 20125.7713640993. The cubic root of 405046673 is about 739.8920423225.

The spelling of 405046673 in words is "four hundred five million, forty-six thousand, six hundred seventy-three".