67562401 has 4 divisors (see below), whose sum is σ = 67592772. Its totient is φ = 67532032.

The previous prime is 67562399. The next prime is 67562419. The reversal of 67562401 is 10426576.

It is a happy number.

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 66438801 + 1123600 = 8151^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 67562401 - 2¹ = 67562399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67562101) 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, 11560 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (16898193).

Almost surely, 2^67562401 is an apocalyptic number.

It is an amenable number.

67562401 is a deficient number, since it is larger than the sum of its proper divisors (30371).

67562401 is a wasteful number, since it uses less digits than its factorization.

67562401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30370.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 67562401 is about 8219.6350892239. The cubic root of 67562401 is about 407.2880722706.

Adding to 67562401 its reverse (10426576), we get a palindrome (77988977).

The spelling of 67562401 in words is "sixty-seven million, five hundred sixty-two thousand, four hundred one".