81467082 has 48 divisors (see below), whose sum is σ = 183980160. Its totient is φ = 26030400.

The previous prime is 81467059. The next prime is 81467093. The reversal of 81467082 is 28076418.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42607 + ... + 44477.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2^81467082 is an apocalyptic number.

81467082 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

81467082 is an abundant number, since it is smaller than the sum of its proper divisors (102513078).

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

81467082 is a wasteful number, since it uses less digits than its factorization.

81467082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 81467082 is about 9025.9116991028. The cubic root of 81467082 is about 433.5049428123.

It can be divided in two parts, 814 and 67082, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 81467082 in words is "eighty-one million, four hundred sixty-seven thousand, eighty-two".