197733450 has 48 divisors (see below), whose sum is σ = 493155936. Its totient is φ = 52430400.

The previous prime is 197733449. The next prime is 197733463. The reversal of 197733450 is 54337791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 197733399 and 197733408.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23509 + ... + 30791.

It is an arithmetic number, because the mean of its divisors is an integer number (10274082).

Almost surely, 2^197733450 is an apocalyptic number.

197733450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197733450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246577968).

197733450 is an abundant number, since it is smaller than the sum of its proper divisors (295422486).

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

197733450 is a wasteful number, since it uses less digits than its factorization.

197733450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479 (or 7474 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 197733450 is about 14061.7726478563. The cubic root of 197733450 is about 582.5860053401.

The spelling of 197733450 in words is "one hundred ninety-seven million, seven hundred thirty-three thousand, four hundred fifty".