406725473 has 16 divisors (see below), whose sum is σ = 512019456. Its totient is φ = 313845840.

The previous prime is 406725469. The next prime is 406725547. The reversal of 406725473 is 374527604.

It is not a de Polignac number, because 406725473 - 2² = 406725469 is a prime.

It is a super-2 number, since 2×406725473² = 330851220774147458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406725073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17711 + ... + 33572.

It is an arithmetic number, because the mean of its divisors is an integer number (32001216).

Almost surely, 2^406725473 is an apocalyptic number.

It is an amenable number.

406725473 is a deficient number, since it is larger than the sum of its proper divisors (105293983).

406725473 is a wasteful number, since it uses less digits than its factorization.

406725473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51404.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 406725473 is about 20167.4359550241. The cubic root of 406725473 is about 740.9128453512.

The spelling of 406725473 in words is "four hundred six million, seven hundred twenty-five thousand, four hundred seventy-three".