67406363 has 4 divisors (see below), whose sum is σ = 68024880. Its totient is φ = 66787848.

The previous prime is 67406351. The next prime is 67406371. The reversal of 67406363 is 36360476.

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 67406363 - 2⁴ = 67406347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67406303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309095 + ... + 309312.

It is an arithmetic number, because the mean of its divisors is an integer number (17006220).

Almost surely, 2^67406363 is an apocalyptic number.

67406363 is a deficient number, since it is larger than the sum of its proper divisors (618517).

67406363 is a wasteful number, since it uses less digits than its factorization.

67406363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618516.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 67406363 is about 8210.1378185753. The cubic root of 67406363 is about 406.9742813467.

The spelling of 67406363 in words is "sixty-seven million, four hundred six thousand, three hundred sixty-three".