67229401 has 4 divisors (see below), whose sum is σ = 67491252. Its totient is φ = 66967552.

The previous prime is 67229399. The next prime is 67229417. The reversal of 67229401 is 10492276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54096025 + 13133376 = 7355^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 67229401 - 2¹ = 67229399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67229501) 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, 130540 + ... + 131053.

It is an arithmetic number, because the mean of its divisors is an integer number (16872813).

Almost surely, 2^67229401 is an apocalyptic number.

It is an amenable number.

67229401 is a deficient number, since it is larger than the sum of its proper divisors (261851).

67229401 is a wasteful number, since it uses less digits than its factorization.

67229401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261850.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 67229401 is about 8199.3536940420. The cubic root of 67229401 is about 406.6178258852.

The spelling of 67229401 in words is "sixty-seven million, two hundred twenty-nine thousand, four hundred one".