67622413 has 8 divisors (see below), whose sum is σ = 72017208. Its totient is φ = 63273984.

The previous prime is 67622393. The next prime is 67622419. The reversal of 67622413 is 31422676.

It can be written as a sum of positive squares in 4 ways, for example, as 44983849 + 22638564 = 6707^2 + 4758^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67622413 - 2¹⁷ = 67491341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67622419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8556 + ... + 14437.

It is an arithmetic number, because the mean of its divisors is an integer number (9002151).

Almost surely, 2^67622413 is an apocalyptic number.

It is an amenable number.

67622413 is a deficient number, since it is larger than the sum of its proper divisors (4394795).

67622413 is a wasteful number, since it uses less digits than its factorization.

67622413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183.

The product of its digits is 12096, while the sum is 31.

The square root of 67622413 is about 8223.2848059641. The cubic root of 67622413 is about 407.4086271853.

The spelling of 67622413 in words is "sixty-seven million, six hundred twenty-two thousand, four hundred thirteen".