195472620 has 72 divisors (see below), whose sum is σ = 677642784. Its totient is φ = 44679168.

The previous prime is 195472619. The next prime is 195472621. The reversal of 195472620 is 26274591.

It is an interprime number because it is at equal distance from previous prime (195472619) and next prime (195472621).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (195472621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76309 + ... + 78828.

Almost surely, 2^195472620 is an apocalyptic number.

195472620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195472620 is an abundant number, since it is smaller than the sum of its proper divisors (482170164).

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

195472620 is a wasteful number, since it uses less digits than its factorization.

195472620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155159 (or 155154 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 195472620 is about 13981.1523130248. The cubic root of 195472620 is about 580.3571126172.

The spelling of 195472620 in words is "one hundred ninety-five million, four hundred seventy-two thousand, six hundred twenty".