65197392 has 80 divisors (see below), whose sum is σ = 182779968. Its totient is φ = 19906560.

The previous prime is 65197381. The next prime is 65197393. The reversal of 65197392 is 29379156.

65197392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65197393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101392 + ... + 102032.

Almost surely, 2^65197392 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 65197392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91389984).

65197392 is an abundant number, since it is smaller than the sum of its proper divisors (117582576).

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

65197392 is a wasteful number, since it uses less digits than its factorization.

65197392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 65197392 is about 8074.4902006257. The cubic root of 65197392 is about 402.4791692215.

The spelling of 65197392 in words is "sixty-five million, one hundred ninety-seven thousand, three hundred ninety-two".