65074287 has 8 divisors (see below), whose sum is σ = 86965120. Its totient is φ = 43283160.

The previous prime is 65074279. The next prime is 65074307. The reversal of 65074287 is 78247056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65074287 - 2³ = 65074279 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 (65074687) 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, 23389 + ... + 26022.

It is an arithmetic number, because the mean of its divisors is an integer number (10870640).

Almost surely, 2^65074287 is an apocalyptic number.

65074287 is a deficient number, since it is larger than the sum of its proper divisors (21890833).

65074287 is a wasteful number, since it uses less digits than its factorization.

65074287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49853.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 65074287 is about 8066.8635168819. The cubic root of 65074287 is about 402.2256906994.

The spelling of 65074287 in words is "sixty-five million, seventy-four thousand, two hundred eighty-seven".