197313732 has 180 divisors, whose sum is σ = 648869760. Its totient is φ = 51179040.

The previous prime is 197313719. The next prime is 197313737. The reversal of 197313732 is 237313791.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (197313737) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 274069 + ... + 274787.

It is an arithmetic number, because the mean of its divisors is an integer number (3604832).

Almost surely, 2^197313732 is an apocalyptic number.

197313732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197313732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324434880).

197313732 is an abundant number, since it is smaller than the sum of its proper divisors (451556028).

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

197313732 is a wasteful number, since it uses less digits than its factorization.

197313732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 742 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 197313732 is about 14046.8406412261. The cubic root of 197313732 is about 582.1735055019.

The spelling of 197313732 in words is "one hundred ninety-seven million, three hundred thirteen thousand, seven hundred thirty-two".