65007487 has 4 divisors (see below), whose sum is σ = 65977816. Its totient is φ = 64037160.

The previous prime is 65007461. The next prime is 65007563. The reversal of 65007487 is 78470056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65007487 - 2¹⁵ = 64974719 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 (65007287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485064 + ... + 485197.

It is an arithmetic number, because the mean of its divisors is an integer number (16494454).

Almost surely, 2^65007487 is an apocalyptic number.

65007487 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

65007487 is a deficient number, since it is larger than the sum of its proper divisors (970329).

65007487 is an equidigital number, since it uses as much as digits as its factorization.

65007487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970328.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 65007487 is about 8062.7220589575. The cubic root of 65007487 is about 402.0880127912.

The spelling of 65007487 in words is "sixty-five million, seven thousand, four hundred eighty-seven".