65373912 has 64 divisors (see below), whose sum is σ = 189504000. Its totient is φ = 20842272.

The previous prime is 65373911. The next prime is 65373923. The reversal of 65373912 is 21937356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65373911) 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, 1612 + ... + 11547.

It is an arithmetic number, because the mean of its divisors is an integer number (2961000).

Almost surely, 2^65373912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65373912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94752000).

65373912 is an abundant number, since it is smaller than the sum of its proper divisors (124130088).

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

65373912 is a wasteful number, since it uses less digits than its factorization.

65373912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197 (or 13187 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 65373912 is about 8085.4135330235. The cubic root of 65373912 is about 402.8420753596.

The spelling of 65373912 in words is "sixty-five million, three hundred seventy-three thousand, nine hundred twelve".