405713472 has 28 divisors (see below), whose sum is σ = 1073450736. Its totient is φ = 135237760.

The previous prime is 405713467. The next prime is 405713513. The reversal of 405713472 is 274317504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056354 + ... + 1056737.

Almost surely, 2^405713472 is an apocalyptic number.

It is an amenable number.

405713472 is an abundant number, since it is smaller than the sum of its proper divisors (667737264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405713472 is a wasteful number, since it uses less digits than its factorization.

405713472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113106 (or 2113096 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 405713472 is about 20142.3303517741. The cubic root of 405713472 is about 740.2978299572.

The spelling of 405713472 in words is "four hundred five million, seven hundred thirteen thousand, four hundred seventy-two".