67983940 has 24 divisors (see below), whose sum is σ = 143019072. Its totient is φ = 27145440.

The previous prime is 67983907. The next prime is 67983941. The reversal of 67983940 is 4938976.

It is not an unprimeable number, because it can be changed into a prime (67983941) 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, 9927 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (5959128).

Almost surely, 2^67983940 is an apocalyptic number.

It is an amenable number.

67983940 is an abundant number, since it is smaller than the sum of its proper divisors (75035132).

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

67983940 is a wasteful number, since it uses less digits than its factorization.

67983940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027 (or 6025 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 67983940 is about 8245.2374131980. The cubic root of 67983940 is about 408.1333746318.

The spelling of 67983940 in words is "sixty-seven million, nine hundred eighty-three thousand, nine hundred forty".