65438970 has 32 divisors (see below), whose sum is σ = 159632640. Its totient is φ = 17163840.

The previous prime is 65438969. The next prime is 65438981. The reversal of 65438970 is 7983456.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16050 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (4988520).

Almost surely, 2^65438970 is an apocalyptic number.

65438970 is an abundant number, since it is smaller than the sum of its proper divisors (94193670).

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

65438970 is a wasteful number, since it uses less digits than its factorization.

65438970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35830.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 65438970 is about 8089.4357034344. The cubic root of 65438970 is about 402.9756628510.

The spelling of 65438970 in words is "sixty-five million, four hundred thirty-eight thousand, nine hundred seventy".