67093680 has 40 divisors (see below), whose sum is σ = 207991152. Its totient is φ = 17891584.

The previous prime is 67093633. The next prime is 67093681. The reversal of 67093680 is 8639076.

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

It is not an unprimeable number, because it can be changed into a prime (67093681) 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, 139539 + ... + 140018.

Almost surely, 2^67093680 is an apocalyptic number.

67093680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67093680 is an abundant number, since it is smaller than the sum of its proper divisors (140897472).

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

67093680 is a wasteful number, since it uses less digits than its factorization.

67093680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279573 (or 279567 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 67093680 is about 8191.0731897597. The cubic root of 67093680 is about 406.3440183186.

The spelling of 67093680 in words is "sixty-seven million, ninety-three thousand, six hundred eighty".