65437427 has 8 divisors (see below), whose sum is σ = 73848240. Its totient is φ = 57436960.

The previous prime is 65437417. The next prime is 65437429. The reversal of 65437427 is 72473456.

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 65437427 - 2¹⁴ = 65421043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65437429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102248 + ... + 102885.

It is an arithmetic number, because the mean of its divisors is an integer number (9231030).

Almost surely, 2^65437427 is an apocalyptic number.

65437427 is a deficient number, since it is larger than the sum of its proper divisors (8410813).

65437427 is a wasteful number, since it uses less digits than its factorization.

65437427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205173.

The product of its digits is 141120, while the sum is 38.

The square root of 65437427 is about 8089.3403315722. The cubic root of 65437427 is about 402.9724955420.

The spelling of 65437427 in words is "sixty-five million, four hundred thirty-seven thousand, four hundred twenty-seven".