65363768 has 8 divisors (see below), whose sum is σ = 122557080. Its totient is φ = 32681880.

The previous prime is 65363761. The next prime is 65363789. The reversal of 65363768 is 86736356.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65363761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085228 + ... + 4085243.

It is an arithmetic number, because the mean of its divisors is an integer number (15319635).

Almost surely, 2^65363768 is an apocalyptic number.

65363768 is the 4322-nd centered heptagonal number.

It is an amenable number.

65363768 is a deficient number, since it is larger than the sum of its proper divisors (57193312).

65363768 is a wasteful number, since it uses less digits than its factorization.

65363768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170477 (or 8170473 counting only the distinct ones).

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

The square root of 65363768 is about 8084.7862062024. The cubic root of 65363768 is about 402.8212380905.

The spelling of 65363768 in words is "sixty-five million, three hundred sixty-three thousand, seven hundred sixty-eight".