65288073 has 8 divisors (see below), whose sum is σ = 87219936. Its totient is φ = 43440800.

The previous prime is 65288059. The next prime is 65288087. The reversal of 65288073 is 37088256.

65288073 = T₂₁₇ + T₂₁₈ + ... + T₇₃₇.

It is an interprime number because it is at equal distance from previous prime (65288059) and next prime (65288087).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65288073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65218073) 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, 19323 + ... + 22448.

It is an arithmetic number, because the mean of its divisors is an integer number (10902492).

Almost surely, 2^65288073 is an apocalyptic number.

It is an amenable number.

65288073 is a deficient number, since it is larger than the sum of its proper divisors (21931863).

65288073 is a wasteful number, since it uses less digits than its factorization.

65288073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42295.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 65288073 is about 8080.1035265645. The cubic root of 65288073 is about 402.6656813121.

The spelling of 65288073 in words is "sixty-five million, two hundred eighty-eight thousand, seventy-three".