67073340 has 24 divisors (see below), whose sum is σ = 187805520. Its totient is φ = 17886208.

The previous prime is 67073339. The next prime is 67073387. The reversal of 67073340 is 4337076.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 67073298 and 67073307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558885 + ... + 559004.

It is an arithmetic number, because the mean of its divisors is an integer number (7825230).

Almost surely, 2^67073340 is an apocalyptic number.

67073340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67073340 is an abundant number, since it is smaller than the sum of its proper divisors (120732180).

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

67073340 is a wasteful number, since it uses less digits than its factorization.

67073340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117901 (or 1117899 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 67073340 is about 8189.8315000982. The cubic root of 67073340 is about 406.3029519932.

The spelling of 67073340 in words is "sixty-seven million, seventy-three thousand, three hundred forty".