65970380 has 24 divisors (see below), whose sum is σ = 158329248. Its totient is φ = 22618368.

The previous prime is 65970349. The next prime is 65970383. The reversal of 65970380 is 8307956.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65970383) 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, 235469 + ... + 235748.

It is an arithmetic number, because the mean of its divisors is an integer number (6597052).

Almost surely, 2^65970380 is an apocalyptic number.

It is an amenable number.

65970380 is an abundant number, since it is smaller than the sum of its proper divisors (92358868).

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

65970380 is a wasteful number, since it uses less digits than its factorization.

65970380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471233 (or 471231 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 65970380 is about 8122.2152150753. The cubic root of 65970380 is about 404.0635376982.

The spelling of 65970380 in words is "sixty-five million, nine hundred seventy thousand, three hundred eighty".