65940698 has 16 divisors (see below), whose sum is σ = 100236096. Its totient is φ = 32531520.

The previous prime is 65940691. The next prime is 65940709. The reversal of 65940698 is 89604956.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65940691) 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, 63443 + ... + 64473.

It is an arithmetic number, because the mean of its divisors is an integer number (6264756).

Almost surely, 2^65940698 is an apocalyptic number.

65940698 is a deficient number, since it is larger than the sum of its proper divisors (34295398).

65940698 is a wasteful number, since it uses less digits than its factorization.

65940698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 65940698 is about 8120.3877986214. The cubic root of 65940698 is about 404.0029286132.

The spelling of 65940698 in words is "sixty-five million, nine hundred forty thousand, six hundred ninety-eight".