65130770 has 16 divisors (see below), whose sum is σ = 118312920. Its totient is φ = 25812864.

The previous prime is 65130719. The next prime is 65130773. The reversal of 65130770 is 7703156.

It can be written as a sum of positive squares in 4 ways, for example, as 59799289 + 5331481 = 7733^2 + 2309^2 .

It is not an unprimeable number, because it can be changed into a prime (65130773) 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, 28787 + ... + 30966.

Almost surely, 2^65130770 is an apocalyptic number.

65130770 is a deficient number, since it is larger than the sum of its proper divisors (53182150).

65130770 is a wasteful number, since it uses less digits than its factorization.

65130770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59869.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 65130770 is about 8070.3636844940. The cubic root of 65130770 is about 402.3420312938.

The spelling of 65130770 in words is "sixty-five million, one hundred thirty thousand, seven hundred seventy".