65439702 has 48 divisors (see below), whose sum is σ = 145718352. Its totient is φ = 21216960.

The previous prime is 65439701. The next prime is 65439709. The reversal of 65439702 is 20793456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65439701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117208 + ... + 117764.

It is an arithmetic number, because the mean of its divisors is an integer number (3035799).

Almost surely, 2^65439702 is an apocalyptic number.

65439702 is an abundant number, since it is smaller than the sum of its proper divisors (80278650).

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

65439702 is a wasteful number, since it uses less digits than its factorization.

65439702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 65439702 is about 8089.4809475021. The cubic root of 65439702 is about 402.9771654067.

The spelling of 65439702 in words is "sixty-five million, four hundred thirty-nine thousand, seven hundred two".