406740067 has 4 divisors (see below), whose sum is σ = 406853440. Its totient is φ = 406626696.

The previous prime is 406740017. The next prime is 406740071. The reversal of 406740067 is 760047604.

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

It is a cyclic number.

It is not a de Polignac number, because 406740067 - 2⁷ = 406739939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406740017) 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, 51123 + ... + 58540.

It is an arithmetic number, because the mean of its divisors is an integer number (101713360).

Almost surely, 2^406740067 is an apocalyptic number.

406740067 is a deficient number, since it is larger than the sum of its proper divisors (113373).

406740067 is a wasteful number, since it uses less digits than its factorization.

406740067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113372.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 406740067 is about 20167.7977726870. The cubic root of 406740067 is about 740.9217069819.

The spelling of 406740067 in words is "four hundred six million, seven hundred forty thousand, sixty-seven".