67793820 has 24 divisors (see below), whose sum is σ = 189822864. Its totient is φ = 18078336.

The previous prime is 67793813. The next prime is 67793821. The reversal of 67793820 is 2839776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67793821) 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, 564889 + ... + 565008.

It is an arithmetic number, because the mean of its divisors is an integer number (7909286).

Almost surely, 2^67793820 is an apocalyptic number.

67793820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67793820 is an abundant number, since it is smaller than the sum of its proper divisors (122029044).

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

67793820 is a wasteful number, since it uses less digits than its factorization.

67793820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129909 (or 1129907 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 67793820 is about 8233.7002617292. The cubic root of 67793820 is about 407.7525652735.

The spelling of 67793820 in words is "sixty-seven million, seven hundred ninety-three thousand, eight hundred twenty".