67228407 has 16 divisors (see below), whose sum is σ = 99963360. Its totient is φ = 44654400.

The previous prime is 67228361. The next prime is 67228411. The reversal of 67228407 is 70482276.

It is not a de Polignac number, because 67228407 - 2¹⁴ = 67212023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67228457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (6247710).

Almost surely, 2^67228407 is an apocalyptic number.

67228407 is a deficient number, since it is larger than the sum of its proper divisors (32734953).

67228407 is a wasteful number, since it uses less digits than its factorization.

67228407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151 (or 9145 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 67228407 is about 8199.2930792843. The cubic root of 67228407 is about 406.6158219003.

It can be divided in two parts, 6722 and 8407, that added together give a square (15129 = 123²).

The spelling of 67228407 in words is "sixty-seven million, two hundred twenty-eight thousand, four hundred seven".