81467048 has 16 divisors (see below), whose sum is σ = 164500980. Its totient is φ = 37600128.

The previous prime is 81467047. The next prime is 81467059. The reversal of 81467048 is 84076418.

It can be written as a sum of positive squares in 2 ways, for example, as 70190884 + 11276164 = 8378^2 + 3358^2 .

It is not an unprimeable number, because it can be changed into a prime (81467047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391565 + ... + 391772.

Almost surely, 2^81467048 is an apocalyptic number.

It is an amenable number.

81467048 is an abundant number, since it is smaller than the sum of its proper divisors (83033932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81467048 is a wasteful number, since it uses less digits than its factorization.

81467048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783356 (or 783352 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 81467048 is about 9025.9098156363. The cubic root of 81467048 is about 433.5048825050.

The spelling of 81467048 in words is "eighty-one million, four hundred sixty-seven thousand, forty-eight".