67733040 has 40 divisors (see below), whose sum is σ = 209973168. Its totient is φ = 18062080.

The previous prime is 67733023. The next prime is 67733087. The reversal of 67733040 is 4033776.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 67732989 and 67733007.

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, 140871 + ... + 141350.

Almost surely, 2^67733040 is an apocalyptic number.

67733040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67733040 is an abundant number, since it is smaller than the sum of its proper divisors (142240128).

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

67733040 is a wasteful number, since it uses less digits than its factorization.

67733040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282237 (or 282231 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 67733040 is about 8230.0085054634. The cubic root of 67733040 is about 407.6306730862.

The spelling of 67733040 in words is "sixty-seven million, seven hundred thirty-three thousand, forty".