67473081 has 72 divisors (see below), whose sum is σ = 115105536. Its totient is φ = 39424320.

The previous prime is 67473079. The next prime is 67473083. The reversal of 67473081 is 18037476.

It is an interprime number because it is at equal distance from previous prime (67473079) and next prime (67473083).

It is not a de Polignac number, because 67473081 - 2¹ = 67473079 is a prime.

It is a super-2 number, since 2×67473081² = 9105233319265122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67473083) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1273051 + ... + 1273103.

It is an arithmetic number, because the mean of its divisors is an integer number (1598688).

Almost surely, 2^67473081 is an apocalyptic number.

It is an amenable number.

67473081 is a deficient number, since it is larger than the sum of its proper divisors (47632455).

67473081 is a wasteful number, since it uses less digits than its factorization.

67473081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 67473081 is about 8214.1999610431. The cubic root of 67473081 is about 407.1085098053.

The spelling of 67473081 in words is "sixty-seven million, four hundred seventy-three thousand, eighty-one".