65428337 has 8 divisors (see below), whose sum is σ = 70912296. Its totient is φ = 60008832.

The previous prime is 65428331. The next prime is 65428369. The reversal of 65428337 is 73382456.

It can be written as a sum of positive squares in 4 ways, for example, as 12952801 + 52475536 = 3599^2 + 7244^2 .

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

It is not a de Polignac number, because 65428337 - 2¹² = 65424241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65428337.

It is not an unprimeable number, because it can be changed into a prime (65428331) 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, 13988 + ... + 18069.

It is an arithmetic number, because the mean of its divisors is an integer number (8864037).

Almost surely, 2^65428337 is an apocalyptic number.

It is an amenable number.

65428337 is a deficient number, since it is larger than the sum of its proper divisors (5483959).

65428337 is a wasteful number, since it uses less digits than its factorization.

65428337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32227.

The product of its digits is 120960, while the sum is 38.

The square root of 65428337 is about 8088.7784615478. The cubic root of 65428337 is about 402.9538355295.

The spelling of 65428337 in words is "sixty-five million, four hundred twenty-eight thousand, three hundred thirty-seven".