67734040 has 32 divisors (see below), whose sum is σ = 166257360. Its totient is φ = 24630400.

The previous prime is 67734019. The next prime is 67734041. The reversal of 67734040 is 4043776.

It is a junction number, because it is equal to n+sod(n) for n = 67733993 and 67734011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67734041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76531 + ... + 77410.

Almost surely, 2^67734040 is an apocalyptic number.

It is an amenable number.

67734040 is an abundant number, since it is smaller than the sum of its proper divisors (98523320).

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

67734040 is a wasteful number, since it uses less digits than its factorization.

67734040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153963 (or 153959 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 67734040 is about 8230.0692585178. The cubic root of 67734040 is about 407.6326791415.

The spelling of 67734040 in words is "sixty-seven million, seven hundred thirty-four thousand, forty".