67795920 has 80 divisors (see below), whose sum is σ = 233526720. Its totient is φ = 18078336.

The previous prime is 67795913. The next prime is 67795921. The reversal of 67795920 is 2959776.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67795921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13534 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (2919084).

Almost surely, 2^67795920 is an apocalyptic number.

67795920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67795920 is an abundant number, since it is smaller than the sum of its proper divisors (165730800).

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

67795920 is a wasteful number, since it uses less digits than its factorization.

67795920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409 (or 31397 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 67795920 is about 8233.8277854228. The cubic root of 67795920 is about 407.7567754485.

The spelling of 67795920 in words is "sixty-seven million, seven hundred ninety-five thousand, nine hundred twenty".