67442963 has 12 divisors (see below), whose sum is σ = 80281080. Its totient is φ = 56462112.

The previous prime is 67442941. The next prime is 67442981. The reversal of 67442963 is 36924476.

It is not a de Polignac number, because 67442963 - 2⁶ = 67442899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67442963.

It is not an unprimeable number, because it can be changed into a prime (67442933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13898 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (6690090).

Almost surely, 2^67442963 is an apocalyptic number.

67442963 is a deficient number, since it is larger than the sum of its proper divisors (12838117).

67442963 is a wasteful number, since it uses less digits than its factorization.

67442963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066 (or 32059 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 67442963 is about 8212.3664677120. The cubic root of 67442963 is about 407.0479270330.

The spelling of 67442963 in words is "sixty-seven million, four hundred forty-two thousand, nine hundred sixty-three".