65071782 has 32 divisors (see below), whose sum is σ = 147686400. Its totient is φ = 21228264.

The previous prime is 65071781. The next prime is 65071817. The reversal of 65071782 is 28717056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65071781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10282 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (4615200).

Almost surely, 2^65071782 is an apocalyptic number.

65071782 is an abundant number, since it is smaller than the sum of its proper divisors (82614618).

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

65071782 is a wasteful number, since it uses less digits than its factorization.

65071782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25697 (or 25691 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 65071782 is about 8066.7082505815. The cubic root of 65071782 is about 402.2205294786.

The spelling of 65071782 in words is "sixty-five million, seventy-one thousand, seven hundred eighty-two".