67242872 has 16 divisors (see below), whose sum is σ = 126394800. Its totient is φ = 33537600.

The previous prime is 67242859. The next prime is 67242883. The reversal of 67242872 is 27824276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7004 + ... + 13547.

It is an arithmetic number, because the mean of its divisors is an integer number (7899675).

Almost surely, 2^67242872 is an apocalyptic number.

It is an amenable number.

67242872 is a deficient number, since it is larger than the sum of its proper divisors (59151928).

67242872 is a wasteful number, since it uses less digits than its factorization.

67242872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20966 (or 20962 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 67242872 is about 8200.1751200813. The cubic root of 67242872 is about 406.6449825698.

The spelling of 67242872 in words is "sixty-seven million, two hundred forty-two thousand, eight hundred seventy-two".