406072071 has 6 divisors (see below), whose sum is σ = 586548560. Its totient is φ = 270714708.

The previous prime is 406072031. The next prime is 406072099. The reversal of 406072071 is 170270604.

It is not a de Polignac number, because 406072071 - 2¹⁴ = 406055687 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 (406072031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22559551 + ... + 22559568.

Almost surely, 2^406072071 is an apocalyptic number.

406072071 is a deficient number, since it is larger than the sum of its proper divisors (180476489).

406072071 is a wasteful number, since it uses less digits than its factorization.

406072071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45119125 (or 45119122 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 406072071 is about 20151.2300120861. The cubic root of 406072071 is about 740.5158753712.

The spelling of 406072071 in words is "four hundred six million, seventy-two thousand, seventy-one".