447072057 has 12 divisors (see below), whose sum is σ = 646551360. Its totient is φ = 297687768.

The previous prime is 447072023. The next prime is 447072079. The reversal of 447072057 is 750270744.

It is a happy number.

447072057 is a `hidden beast` number, since 447 + 0 + 7 + 205 + 7 = 666.

It is not a de Polignac number, because 447072057 - 2¹⁵ = 447039289 is a prime.

It is a super-2 number, since 2×447072057² = 399746848300422498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447072257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22053 + ... + 37154.

It is an arithmetic number, because the mean of its divisors is an integer number (53879280).

Almost surely, 2^447072057 is an apocalyptic number.

It is an amenable number.

447072057 is a deficient number, since it is larger than the sum of its proper divisors (199479303).

447072057 is a wasteful number, since it uses less digits than its factorization.

447072057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60052 (or 60049 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 447072057 is about 21144.0785327713. The cubic root of 447072057 is about 764.6438070091.

It can be divided in two parts, 44707 and 2057, that added together give a palindrome (46764).

The spelling of 447072057 in words is "four hundred forty-seven million, seventy-two thousand, fifty-seven".