65770332 has 48 divisors (see below), whose sum is σ = 156304512. Its totient is φ = 21522240.

The previous prime is 65770321. The next prime is 65770333. The reversal of 65770332 is 23307756.

It is a junction number, because it is equal to n+sod(n) for n = 65770293 and 65770302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65770333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232263 + ... + 232545.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^65770332 is an apocalyptic number.

It is an amenable number.

65770332 is an abundant number, since it is smaller than the sum of its proper divisors (90534180).

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

65770332 is a wasteful number, since it uses less digits than its factorization.

65770332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 65770332 is about 8109.8909980344. The cubic root of 65770332 is about 403.6546979261.

The spelling of 65770332 in words is "sixty-five million, seven hundred seventy thousand, three hundred thirty-two".