65745487 has 8 divisors (see below), whose sum is σ = 66461696. Its totient is φ = 65032632.

The previous prime is 65745473. The next prime is 65745497. The reversal of 65745487 is 78454756.

It is a happy number.

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 65745487 - 2⁷ = 65745359 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 (65745437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61318 + ... + 62380.

It is an arithmetic number, because the mean of its divisors is an integer number (8307712).

Almost surely, 2^65745487 is an apocalyptic number.

65745487 is a deficient number, since it is larger than the sum of its proper divisors (716209).

65745487 is a wasteful number, since it uses less digits than its factorization.

65745487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its digits is 940800, while the sum is 46.

The square root of 65745487 is about 8108.3590818365. The cubic root of 65745487 is about 403.6038641447.

The spelling of 65745487 in words is "sixty-five million, seven hundred forty-five thousand, four hundred eighty-seven".