65470345 has 4 divisors (see below), whose sum is σ = 78564420. Its totient is φ = 52376272.

The previous prime is 65470343. The next prime is 65470367. The reversal of 65470345 is 54307456.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 57198969 = 2876^2 + 7563^2 .

It is a cyclic number.

It is not a de Polignac number, because 65470345 - 2¹ = 65470343 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65470345.

It is not an unprimeable number, because it can be changed into a prime (65470343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547030 + ... + 6547039.

It is an arithmetic number, because the mean of its divisors is an integer number (19641105).

Almost surely, 2^65470345 is an apocalyptic number.

It is an amenable number.

65470345 is a deficient number, since it is larger than the sum of its proper divisors (13094075).

65470345 is a wasteful number, since it uses less digits than its factorization.

65470345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094074.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 65470345 is about 8091.3747286849. The cubic root of 65470345 is about 403.0400553750.

The spelling of 65470345 in words is "sixty-five million, four hundred seventy thousand, three hundred forty-five".