65290693 has 8 divisors (see below), whose sum is σ = 74449368. Its totient is φ = 56722944.

The previous prime is 65290691. The next prime is 65290697. The reversal of 65290693 is 39609256.

It can be written as a sum of positive squares in 4 ways, for example, as 12974404 + 52316289 = 3602^2 + 7233^2 .

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 65290693 - 2¹ = 65290691 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 (65290691) 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, 147496 + ... + 147937.

It is an arithmetic number, because the mean of its divisors is an integer number (9306171).

Almost surely, 2^65290693 is an apocalyptic number.

It is an amenable number.

65290693 is a deficient number, since it is larger than the sum of its proper divisors (9158675).

65290693 is a wasteful number, since it uses less digits than its factorization.

65290693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295463.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 65290693 is about 8080.2656515736. The cubic root of 65290693 is about 402.6710675434.

The spelling of 65290693 in words is "sixty-five million, two hundred ninety thousand, six hundred ninety-three".