195677740 has 12 divisors (see below), whose sum is σ = 410923296. Its totient is φ = 78271088.

The previous prime is 195677737. The next prime is 195677743. The reversal of 195677740 is 47776591.

It is an interprime number because it is at equal distance from previous prime (195677737) and next prime (195677743).

It is not an unprimeable number, because it can be changed into a prime (195677743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891924 + ... + 4891963.

It is an arithmetic number, because the mean of its divisors is an integer number (34243608).

Almost surely, 2^195677740 is an apocalyptic number.

195677740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195677740 is an abundant number, since it is smaller than the sum of its proper divisors (215245556).

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

195677740 is a wasteful number, since it uses less digits than its factorization.

195677740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783896 (or 9783894 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 195677740 is about 13988.4859795476. The cubic root of 195677740 is about 580.5600416955.

The spelling of 195677740 in words is "one hundred ninety-five million, six hundred seventy-seven thousand, seven hundred forty".