67072980 has 48 divisors (see below), whose sum is σ = 202253184. Its totient is φ = 16510080.

The previous prime is 67072979. The next prime is 67072997. The reversal of 67072980 is 8927076.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 42216 + ... + 43775.

It is an arithmetic number, because the mean of its divisors is an integer number (4213608).

Almost surely, 2^67072980 is an apocalyptic number.

67072980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67072980 is an abundant number, since it is smaller than the sum of its proper divisors (135180204).

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

67072980 is a wasteful number, since it uses less digits than its factorization.

67072980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86016 (or 86014 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 67072980 is about 8189.8095215945. The cubic root of 67072980 is about 406.3022250808.

The spelling of 67072980 in words is "sixty-seven million, seventy-two thousand, nine hundred eighty".