447068164 has 6 divisors (see below), whose sum is σ = 782369294. Its totient is φ = 223534080.

The previous prime is 447068137. The next prime is 447068173. The reversal of 447068164 is 461860744.

It can be written as a sum of positive squares in only one way, i.e., 224760064 + 222308100 = 14992^2 + 14910^2 .

It is a super-3 number, since 3×447068164³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55883517 + ... + 55883524.

Almost surely, 2^447068164 is an apocalyptic number.

It is an amenable number.

447068164 is a deficient number, since it is larger than the sum of its proper divisors (335301130).

447068164 is a wasteful number, since it uses less digits than its factorization.

447068164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111767045 (or 111767043 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 447068164 is about 21143.9864736998. The cubic root of 447068164 is about 764.6415875555.

The spelling of 447068164 in words is "four hundred forty-seven million, sixty-eight thousand, one hundred sixty-four".