67428475 has 12 divisors (see below), whose sum is σ = 84672160. Its totient is φ = 53258400.

The previous prime is 67428469. The next prime is 67428499. The reversal of 67428475 is 57482476.

It is not a de Polignac number, because 67428475 - 2⁹ = 67427963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15096 + ... + 19045.

Almost surely, 2^67428475 is an apocalyptic number.

67428475 is a deficient number, since it is larger than the sum of its proper divisors (17243685).

67428475 is a wasteful number, since it uses less digits than its factorization.

67428475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34230 (or 34225 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 67428475 is about 8211.4843359773. The cubic root of 67428475 is about 407.0187777961.

The spelling of 67428475 in words is "sixty-seven million, four hundred twenty-eight thousand, four hundred seventy-five".