406740706 has 8 divisors (see below), whose sum is σ = 612314460. Its totient is φ = 202635888.

The previous prime is 406740673. The next prime is 406740713. The reversal of 406740706 is 607047604.

It can be written as a sum of positive squares in 2 ways, for example, as 405821025 + 919681 = 20145^2 + 959^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366541 + ... + 367648.

Almost surely, 2^406740706 is an apocalyptic number.

406740706 is a deficient number, since it is larger than the sum of its proper divisors (205573754).

406740706 is a wasteful number, since it uses less digits than its factorization.

406740706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734468.

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

The square root of 406740706 is about 20167.8136147675. The cubic root of 406740706 is about 740.9220949846.

The spelling of 406740706 in words is "four hundred six million, seven hundred forty thousand, seven hundred six".