67400133 has 4 divisors (see below), whose sum is σ = 89866848. Its totient is φ = 44933420.

The previous prime is 67400117. The next prime is 67400149. The reversal of 67400133 is 33100476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (67400117) and next prime (67400149).

It is a cyclic number.

It is not a de Polignac number, because 67400133 - 2⁴ = 67400117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67400183) 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, 11233353 + ... + 11233358.

It is an arithmetic number, because the mean of its divisors is an integer number (22466712).

Almost surely, 2^67400133 is an apocalyptic number.

It is an amenable number.

67400133 is a deficient number, since it is larger than the sum of its proper divisors (22466715).

67400133 is a wasteful number, since it uses less digits than its factorization.

67400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22466714.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 67400133 is about 8209.7584008301. The cubic root of 67400133 is about 406.9617428277.

The spelling of 67400133 in words is "sixty-seven million, four hundred thousand, one hundred thirty-three".