197494972 has 6 divisors (see below), whose sum is σ = 345616208. Its totient is φ = 98747484.

The previous prime is 197494939. The next prime is 197494993. The reversal of 197494972 is 279494791.

197494972 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24686868 + ... + 24686875.

Almost surely, 2^197494972 is an apocalyptic number.

It is an amenable number.

197494972 is a deficient number, since it is larger than the sum of its proper divisors (148121236).

197494972 is a wasteful number, since it uses less digits than its factorization.

197494972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49373747 (or 49373745 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The square root of 197494972 is about 14053.2904332046. The cubic root of 197494972 is about 582.3517002912.

The spelling of 197494972 in words is "one hundred ninety-seven million, four hundred ninety-four thousand, nine hundred seventy-two".