454072071 has 4 divisors (see below), whose sum is σ = 605429432. Its totient is φ = 302714712.

The previous prime is 454072027. The next prime is 454072079. The reversal of 454072071 is 170270454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 454072071 - 2¹⁵ = 454039303 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 (454072079) 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 3 ways as a sum of consecutive naturals, for example, 75678676 + ... + 75678681.

It is an arithmetic number, because the mean of its divisors is an integer number (151357358).

Almost surely, 2^454072071 is an apocalyptic number.

454072071 is a deficient number, since it is larger than the sum of its proper divisors (151357361).

454072071 is a wasteful number, since it uses less digits than its factorization.

454072071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151357360.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 454072071 is about 21308.9669153622. The cubic root of 454072071 is about 768.6139516797.

The spelling of 454072071 in words is "four hundred fifty-four million, seventy-two thousand, seventy-one".