67475540 has 24 divisors (see below), whose sum is σ = 154580832. Its totient is φ = 24536480.

The previous prime is 67475539. The next prime is 67475581. The reversal of 67475540 is 4557476.

It is a junction number, because it is equal to n+sod(n) for n = 67475494 and 67475503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153134 + ... + 153573.

It is an arithmetic number, because the mean of its divisors is an integer number (6440868).

Almost surely, 2^67475540 is an apocalyptic number.

It is an amenable number.

67475540 is an abundant number, since it is smaller than the sum of its proper divisors (87105292).

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

67475540 is a wasteful number, since it uses less digits than its factorization.

67475540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306727 (or 306725 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 67475540 is about 8214.3496395028. The cubic root of 67475540 is about 407.1134553216.

The spelling of 67475540 in words is "sixty-seven million, four hundred seventy-five thousand, five hundred forty".