401247675 has 54 divisors (see below), whose sum is σ = 748208188. Its totient is φ = 213166080.

The previous prime is 401247667. The next prime is 401247701. The reversal of 401247675 is 576742104.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

401247675 is a `hidden beast` number, since 401 + 247 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 401247675 - 2³ = 401247667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1561147 + ... + 1561403.

Almost surely, 2^401247675 is an apocalyptic number.

401247675 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401247675 is a deficient number, since it is larger than the sum of its proper divisors (346960513).

401247675 is an frugal number, since it uses more digits than its factorization.

401247675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 401247675 is about 20031.1675895341. The cubic root of 401247675 is about 737.5715835908.

Adding to 401247675 its reverse (576742104), we get a palindrome (977989779).

The spelling of 401247675 in words is "four hundred one million, two hundred forty-seven thousand, six hundred seventy-five".