65366730 has 128 divisors (see below), whose sum is σ = 204906240. Its totient is φ = 14618880.

The previous prime is 65366729. The next prime is 65366761. The reversal of 65366730 is 3766356.

It is a super-3 number, since 3×65366730³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37764 + ... + 39456.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^65366730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65366730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102453120).

65366730 is an abundant number, since it is smaller than the sum of its proper divisors (139539510).

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

65366730 is a wasteful number, since it uses less digits than its factorization.

65366730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 65366730 is about 8084.9693876971. The cubic root of 65366730 is about 402.8273226973.

The spelling of 65366730 in words is "sixty-five million, three hundred sixty-six thousand, seven hundred thirty".