197275764 has 120 divisors (see below), whose sum is σ = 553387968. Its totient is φ = 54660480.

The previous prime is 197275751. The next prime is 197275789. The reversal of 197275764 is 467572791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1181209 + ... + 1181375.

Almost surely, 2^197275764 is an apocalyptic number.

197275764 is a gapful number since it is divisible by the number (14) 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 197275764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276693984).

197275764 is an abundant number, since it is smaller than the sum of its proper divisors (356112204).

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

197275764 is a wasteful number, since it uses less digits than its factorization.

197275764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 220 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 197275764 is about 14045.4890979275. The cubic root of 197275764 is about 582.1361616209.

The spelling of 197275764 in words is "one hundred ninety-seven million, two hundred seventy-five thousand, seven hundred sixty-four".