65678132 has 18 divisors (see below), whose sum is σ = 124459398. Its totient is φ = 30312672.

The previous prime is 65678131. The next prime is 65678141. The reversal of 65678132 is 23187656.

It can be written as a sum of positive squares in 3 ways, for example, as 972196 + 64705936 = 986^2 + 8044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65678131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47903 + ... + 49254.

It is an arithmetic number, because the mean of its divisors is an integer number (6914411).

Almost surely, 2^65678132 is an apocalyptic number.

It is an amenable number.

65678132 is a deficient number, since it is larger than the sum of its proper divisors (58781266).

65678132 is a wasteful number, since it uses less digits than its factorization.

65678132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97187 (or 97172 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 65678132 is about 8104.2045877433. The cubic root of 65678132 is about 403.4659888917.

The spelling of 65678132 in words is "sixty-five million, six hundred seventy-eight thousand, one hundred thirty-two".