67764963 has 16 divisors (see below), whose sum is σ = 108696320. Its totient is φ = 36684576.

The previous prime is 67764959. The next prime is 67765007. The reversal of 67764963 is 36946776.

It is not a de Polignac number, because 67764963 - 2² = 67764959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67764163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84520 + ... + 85317.

It is an arithmetic number, because the mean of its divisors is an integer number (6793520).

Almost surely, 2^67764963 is an apocalyptic number.

67764963 is a deficient number, since it is larger than the sum of its proper divisors (40931357).

67764963 is a wasteful number, since it uses less digits than its factorization.

67764963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169866.

The product of its digits is 1143072, while the sum is 48.

The square root of 67764963 is about 8231.9477039155. The cubic root of 67764963 is about 407.6947026459.

The spelling of 67764963 in words is "sixty-seven million, seven hundred sixty-four thousand, nine hundred sixty-three".