65675764 has 96 divisors (see below), whose sum is σ = 152764416. Its totient is φ = 23950080.

The previous prime is 65675759. The next prime is 65675767. The reversal of 65675764 is 46757656.

It is a Harshad number since it is a multiple of its sum of digits (46).

Its product of digits (1058400) is a multiple of the sum of its prime factors (245).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65675767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517069 + ... + 517195.

It is an arithmetic number, because the mean of its divisors is an integer number (1591296).

Almost surely, 2^65675764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65675764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76382208).

65675764 is an abundant number, since it is smaller than the sum of its proper divisors (87088652).

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

65675764 is a wasteful number, since it uses less digits than its factorization.

65675764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 65675764 is about 8104.0584894237. The cubic root of 65675764 is about 403.4611398960.

The spelling of 65675764 in words is "sixty-five million, six hundred seventy-five thousand, seven hundred sixty-four".