448973547 has 32 divisors (see below), whose sum is σ = 694365696. Its totient is φ = 255340800.

The previous prime is 448973543. The next prime is 448973561. The reversal of 448973547 is 745379844.

It is not a de Polignac number, because 448973547 - 2² = 448973543 is a prime.

It is a super-2 number, since 2×448973547² = 403154491811522418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448973547.

It is not an unprimeable number, because it can be changed into a prime (448973543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34647 + ... + 45807.

It is an arithmetic number, because the mean of its divisors is an integer number (21698928).

Almost surely, 2^448973547 is an apocalyptic number.

448973547 is a deficient number, since it is larger than the sum of its proper divisors (245392149).

448973547 is a wasteful number, since it uses less digits than its factorization.

448973547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

The product of its digits is 3386880, while the sum is 51.

The square root of 448973547 is about 21188.9958940956. The cubic root of 448973547 is about 765.7263365120.

The spelling of 448973547 in words is "four hundred forty-eight million, nine hundred seventy-three thousand, five hundred forty-seven".