67402967 has 4 divisors (see below), whose sum is σ = 67420560. Its totient is φ = 67385376.

The previous prime is 67402921. The next prime is 67402997. The reversal of 67402967 is 76920476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67402967 - 2²⁶ = 294103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67402997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (16855140).

Almost surely, 2^67402967 is an apocalyptic number.

67402967 is a deficient number, since it is larger than the sum of its proper divisors (17593).

67402967 is a wasteful number, since it uses less digits than its factorization.

67402967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17592.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 67402967 is about 8209.9309984920. The cubic root of 67402967 is about 406.9674466414.

The spelling of 67402967 in words is "sixty-seven million, four hundred two thousand, nine hundred sixty-seven".