67973913 has 12 divisors (see below), whose sum is σ = 112211008. Its totient is φ = 38842200.

The previous prime is 67973903. The next prime is 67973933. The reversal of 67973913 is 31937976.

It is not a de Polignac number, because 67973913 - 2¹² = 67969817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67973903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539413 + ... + 539538.

Almost surely, 2^67973913 is an apocalyptic number.

67973913 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

67973913 is a deficient number, since it is larger than the sum of its proper divisors (44237095).

67973913 is a wasteful number, since it uses less digits than its factorization.

67973913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078964 (or 1078961 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 67973913 is about 8244.6293427904. The cubic root of 67973913 is about 408.1133083507.

It can be divided in two parts, 67973 and 913, that added together give a palindrome (68886).

The spelling of 67973913 in words is "sixty-seven million, nine hundred seventy-three thousand, nine hundred thirteen".