67907980 has 48 divisors (see below), whose sum is σ = 168247296. Its totient is φ = 22530240.

The previous prime is 67907977. The next prime is 67907989. The reversal of 67907980 is 8970976.

It is a super-2 number, since 2×67907980² = 9222987495360800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67907980.

It is not an unprimeable number, because it can be changed into a prime (67907989) 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, 3484 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (3505152).

Almost surely, 2^67907980 is an apocalyptic number.

It is an amenable number.

67907980 is an abundant number, since it is smaller than the sum of its proper divisors (100339316).

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

67907980 is a wasteful number, since it uses less digits than its factorization.

67907980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15692 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 67907980 is about 8240.6298302982. The cubic root of 67907980 is about 407.9813124210.

The spelling of 67907980 in words is "sixty-seven million, nine hundred seven thousand, nine hundred eighty".