67516427 has 6 divisors (see below), whose sum is σ = 74212404. Its totient is φ = 61378460.

The previous prime is 67516411. The next prime is 67516457. The reversal of 67516427 is 72461576.

It is not a de Polignac number, because 67516427 - 2⁴ = 67516411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67516457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278873 + ... + 279114.

It is an arithmetic number, because the mean of its divisors is an integer number (12368734).

Almost surely, 2^67516427 is an apocalyptic number.

67516427 is a deficient number, since it is larger than the sum of its proper divisors (6695977).

67516427 is a wasteful number, since it uses less digits than its factorization.

67516427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558009 (or 557998 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 67516427 is about 8216.8380171450. The cubic root of 67516427 is about 407.1956692459.

The spelling of 67516427 in words is "sixty-seven million, five hundred sixteen thousand, four hundred twenty-seven".