406074973 has 4 divisors (see below), whose sum is σ = 427447360. Its totient is φ = 384702588.

The previous prime is 406074961. The next prime is 406075001. The reversal of 406074973 is 379470604.

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 406074973 - 2⁵ = 406074941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406074943) 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, 10686165 + ... + 10686202.

It is an arithmetic number, because the mean of its divisors is an integer number (106861840).

Almost surely, 2^406074973 is an apocalyptic number.

It is an amenable number.

406074973 is a deficient number, since it is larger than the sum of its proper divisors (21372387).

406074973 is a wasteful number, since it uses less digits than its factorization.

406074973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21372386.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 406074973 is about 20151.3020174876. The cubic root of 406074973 is about 740.5176394029.

The spelling of 406074973 in words is "four hundred six million, seventy-four thousand, nine hundred seventy-three".