65445376 has 80 divisors (see below), whose sum is σ = 141714144. Its totient is φ = 30081024.

The previous prime is 65445343. The next prime is 65445377. The reversal of 65445376 is 67354456.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65445377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635341 + ... + 635443.

Almost surely, 2^65445376 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 65445376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70857072).

65445376 is an abundant number, since it is smaller than the sum of its proper divisors (76268768).

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

65445376 is a wasteful number, since it uses less digits than its factorization.

65445376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 195 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The square root of 65445376 is about 8089.8316422531. The cubic root of 65445376 is about 402.9888118858.

The spelling of 65445376 in words is "sixty-five million, four hundred forty-five thousand, three hundred seventy-six".