197670720 has 224 divisors, whose sum is σ = 692310528. Its totient is φ = 47480832.

The previous prime is 197670647. The next prime is 197670727. The reversal of 197670720 is 27076791.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197670727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586392 + ... + 586728.

It is an arithmetic number, because the mean of its divisors is an integer number (3090672).

Almost surely, 2^197670720 is an apocalyptic number.

197670720 is a gapful number since it is divisible by the number (10) 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 197670720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346155264).

197670720 is an abundant number, since it is smaller than the sum of its proper divisors (494639808).

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

197670720 is a wasteful number, since it uses less digits than its factorization.

197670720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 197670720 is about 14059.5419555546. The cubic root of 197670720 is about 582.5243912742.

The spelling of 197670720 in words is "one hundred ninety-seven million, six hundred seventy thousand, seven hundred twenty".