65493764 has 24 divisors (see below), whose sum is σ = 131721408. Its totient is φ = 27911520.

The previous prime is 65493761. The next prime is 65493781. The reversal of 65493764 is 46739456.

It is not an unprimeable number, because it can be changed into a prime (65493761) 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, 1394 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (5488392).

Almost surely, 2^65493764 is an apocalyptic number.

It is an amenable number.

65493764 is an abundant number, since it is smaller than the sum of its proper divisors (66227644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65493764 is a wasteful number, since it uses less digits than its factorization.

65493764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115 (or 13113 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 65493764 is about 8092.8217575825. The cubic root of 65493764 is about 403.0881059840.

The spelling of 65493764 in words is "sixty-five million, four hundred ninety-three thousand, seven hundred sixty-four".