65368620 has 60 divisors (see below), whose sum is σ = 205068864. Its totient is φ = 17431200.

The previous prime is 65368619. The next prime is 65368627. The reversal of 65368620 is 2686356.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65368627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18556 + ... + 21795.

Almost surely, 2^65368620 is an apocalyptic number.

65368620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65368620 is an abundant number, since it is smaller than the sum of its proper divisors (139700244).

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

65368620 is a wasteful number, since it uses less digits than its factorization.

65368620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40372 (or 40361 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 65368620 is about 8085.0862704117. The cubic root of 65368620 is about 402.8312050816.

The spelling of 65368620 in words is "sixty-five million, three hundred sixty-eight thousand, six hundred twenty".