67140916 has 24 divisors (see below), whose sum is σ = 125475840. Its totient is φ = 31365600.

The previous prime is 67140911. The next prime is 67140923. The reversal of 67140916 is 61904176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67140911) 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, 5740 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (5228160).

Almost surely, 2^67140916 is an apocalyptic number.

It is an amenable number.

67140916 is a deficient number, since it is larger than the sum of its proper divisors (58334924).

67140916 is a wasteful number, since it uses less digits than its factorization.

67140916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18735 (or 18733 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 67140916 is about 8193.9560652959. The cubic root of 67140916 is about 406.4393554820.

The spelling of 67140916 in words is "sixty-seven million, one hundred forty thousand, nine hundred sixteen".