67424944 has 20 divisors (see below), whose sum is σ = 130839840. Its totient is φ = 33659840.

The previous prime is 67424927. The next prime is 67424963. The reversal of 67424944 is 44942476.

It is a super-2 number, since 2×67424944² = 9092246146806272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67424897 and 67424906.

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, 8574 + ... + 14434.

It is an arithmetic number, because the mean of its divisors is an integer number (6541992).

Almost surely, 2^67424944 is an apocalyptic number.

It is an amenable number.

67424944 is a deficient number, since it is larger than the sum of its proper divisors (63414896).

67424944 is a wasteful number, since it uses less digits than its factorization.

67424944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588 (or 6582 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 67424944 is about 8211.2693294033. The cubic root of 67424944 is about 407.0116729422.

The spelling of 67424944 in words is "sixty-seven million, four hundred twenty-four thousand, nine hundred forty-four".