65190730 has 16 divisors (see below), whose sum is σ = 128011104. Its totient is φ = 23705680.

The previous prime is 65190683. The next prime is 65190731. The reversal of 65190730 is 3709156.

It is a junction number, because it is equal to n+sod(n) for n = 65190692 and 65190701.

It is not an unprimeable number, because it can be changed into a prime (65190731) 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, 296212 + ... + 296431.

It is an arithmetic number, because the mean of its divisors is an integer number (8000694).

Almost surely, 2^65190730 is an apocalyptic number.

65190730 is a deficient number, since it is larger than the sum of its proper divisors (62820374).

65190730 is a wasteful number, since it uses less digits than its factorization.

65190730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592661.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 65190730 is about 8074.0776563023. The cubic root of 65190730 is about 402.4654600455.

Adding to 65190730 its reverse (3709156), we get a palindrome (68899886).

The spelling of 65190730 in words is "sixty-five million, one hundred ninety thousand, seven hundred thirty".