65397020 has 24 divisors (see below), whose sum is σ = 147898464. Its totient is φ = 24146496.

The previous prime is 65396983. The next prime is 65397029. The reversal of 65397020 is 2079356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65397029) 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, 125504 + ... + 126023.

It is an arithmetic number, because the mean of its divisors is an integer number (6162436).

Almost surely, 2^65397020 is an apocalyptic number.

It is an amenable number.

65397020 is an abundant number, since it is smaller than the sum of its proper divisors (82501444).

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

65397020 is a wasteful number, since it uses less digits than its factorization.

65397020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251549 (or 251547 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 65397020 is about 8086.8423998493. The cubic root of 65397020 is about 402.8895345463.

The spelling of 65397020 in words is "sixty-five million, three hundred ninety-seven thousand, twenty".