65397442 has 16 divisors (see below), whose sum is σ = 109035072. Its totient is φ = 29164720.

The previous prime is 65397433. The next prime is 65397457. The reversal of 65397442 is 24479356.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65397395 and 65397404.

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, 26878 + ... + 29209.

It is an arithmetic number, because the mean of its divisors is an integer number (6814692).

Almost surely, 2^65397442 is an apocalyptic number.

65397442 is a deficient number, since it is larger than the sum of its proper divisors (43637630).

65397442 is a wasteful number, since it uses less digits than its factorization.

65397442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56153.

The product of its digits is 181440, while the sum is 40.

The square root of 65397442 is about 8086.8684915732. The cubic root of 65397442 is about 402.8904011455.

The spelling of 65397442 in words is "sixty-five million, three hundred ninety-seven thousand, four hundred forty-two".