65424570 has 64 divisors (see below), whose sum is σ = 163897344. Its totient is φ = 16695360.

The previous prime is 65424553. The next prime is 65424589. The reversal of 65424570 is 7542456.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95449 + ... + 96131.

It is an arithmetic number, because the mean of its divisors is an integer number (2560896).

Almost surely, 2^65424570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65424570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81948672).

65424570 is an abundant number, since it is smaller than the sum of its proper divisors (98472774).

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

65424570 is a wasteful number, since it uses less digits than its factorization.

65424570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 65424570 is about 8088.5456047425. The cubic root of 65424570 is about 402.9461021003.

The spelling of 65424570 in words is "sixty-five million, four hundred twenty-four thousand, five hundred seventy".