67394401 has 2 divisors, whose sum is σ = 67394402. Its totient is φ = 67394400.

The previous prime is 67394389. The next prime is 67394413. The reversal of 67394401 is 10449376.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (67394389) and next prime (67394413).

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 3154176 = 8015^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 67394401 - 2⁹ = 67393889 is a prime.

It is a super-2 number, since 2×67394401² = 9084010572297602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67394491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33697200 + 33697201.

It is an arithmetic number, because the mean of its divisors is an integer number (33697201).

Almost surely, 2^67394401 is an apocalyptic number.

It is an amenable number.

67394401 is a deficient number, since it is larger than the sum of its proper divisors (1).

67394401 is an equidigital number, since it uses as much as digits as its factorization.

67394401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 67394401 is about 8209.4092966547. The cubic root of 67394401 is about 406.9502059027.

The spelling of 67394401 in words is "sixty-seven million, three hundred ninety-four thousand, four hundred one".