65861376 has 72 divisors (see below), whose sum is σ = 200344704. Its totient is φ = 18816000.

The previous prime is 65861363. The next prime is 65861461. The reversal of 65861376 is 67316856.

It is a super-2 number, since 2×65861376² = 8675441697226752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 11501.

Almost surely, 2^65861376 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 65861376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100172352).

65861376 is an abundant number, since it is smaller than the sum of its proper divisors (134483328).

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

65861376 is a wasteful number, since it uses less digits than its factorization.

65861376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277 (or 12263 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 65861376 is about 8115.5022025750. The cubic root of 65861376 is about 403.8408679552.

The spelling of 65861376 in words is "sixty-five million, eight hundred sixty-one thousand, three hundred seventy-six".