67849380 has 192 divisors, whose sum is σ = 235872000. Its totient is φ = 16091136.

The previous prime is 67849349. The next prime is 67849391. The reversal of 67849380 is 8394876.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174226 + ... + 174614.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^67849380 is an apocalyptic number.

67849380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67849380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

67849380 is an abundant number, since it is smaller than the sum of its proper divisors (168022620).

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

67849380 is a wasteful number, since it uses less digits than its factorization.

67849380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 67849380 is about 8237.0735094450. The cubic root of 67849380 is about 407.8639252101.

The spelling of 67849380 in words is "sixty-seven million, eight hundred forty-nine thousand, three hundred eighty".