195677572 has 6 divisors (see below), whose sum is σ = 342435758. Its totient is φ = 97838784.

The previous prime is 195677527. The next prime is 195677579. The reversal of 195677572 is 275776591.

It is a happy number.

195677572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195552256 + 125316 = 13984^2 + 354^2 .

It is not an unprimeable number, because it can be changed into a prime (195677579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24459693 + ... + 24459700.

Almost surely, 2^195677572 is an apocalyptic number.

It is an amenable number.

195677572 is a deficient number, since it is larger than the sum of its proper divisors (146758186).

195677572 is a wasteful number, since it uses less digits than its factorization.

195677572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48919397 (or 48919395 counting only the distinct ones).

The product of its digits is 926100, while the sum is 49.

The square root of 195677572 is about 13988.4799746077. The cubic root of 195677572 is about 580.5598755480.

It can be divided in two parts, 195677 and 572, that added together give a square (196249 = 443²).

The spelling of 195677572 in words is "one hundred ninety-five million, six hundred seventy-seven thousand, five hundred seventy-two".