458378731 has 4 divisors (see below), whose sum is σ = 458600872. Its totient is φ = 458156592.

The previous prime is 458378717. The next prime is 458378749. The reversal of 458378731 is 137873854.

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

It is a cyclic number.

It is not a de Polignac number, because 458378731 - 2¹⁷ = 458247659 is a prime.

It is a super-2 number, since 2×458378731² = 420222122066340722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (458378231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107946 + ... + 112111.

It is an arithmetic number, because the mean of its divisors is an integer number (114650218).

Almost surely, 2^458378731 is an apocalyptic number.

458378731 is a deficient number, since it is larger than the sum of its proper divisors (222141).

458378731 is a wasteful number, since it uses less digits than its factorization.

458378731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222140.

The product of its digits is 564480, while the sum is 46.

The square root of 458378731 is about 21409.7811992556. The cubic root of 458378731 is about 771.0362900909.

The spelling of 458378731 in words is "four hundred fifty-eight million, three hundred seventy-eight thousand, seven hundred thirty-one".