197025770 has 16 divisors (see below), whose sum is σ = 366087168. Its totient is φ = 76267920.

The previous prime is 197025769. The next prime is 197025779. The reversal of 197025770 is 77520791.

It is not an unprimeable number, because it can be changed into a prime (197025779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317474 + ... + 318093.

It is an arithmetic number, because the mean of its divisors is an integer number (22880448).

Almost surely, 2^197025770 is an apocalyptic number.

197025770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197025770 is a deficient number, since it is larger than the sum of its proper divisors (169061398).

197025770 is a wasteful number, since it uses less digits than its factorization.

197025770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635605.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 197025770 is about 14036.5868358373. The cubic root of 197025770 is about 581.8901573111.

It can be divided in two parts, 19 and 7025770, that multiplied together give a triangular number (133489630 = T₁₆₃₃₉).

The spelling of 197025770 in words is "one hundred ninety-seven million, twenty-five thousand, seven hundred seventy".