195072436 has 48 divisors (see below), whose sum is σ = 384897744. Its totient is φ = 85902336.

The previous prime is 195072413. The next prime is 195072463. The reversal of 195072436 is 634270591.

It can be written as a sum of positive squares in 8 ways, for example, as 23619600 + 171452836 = 4860^2 + 13094^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 195072395 and 195072404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101016 + ... + 102928.

It is an arithmetic number, because the mean of its divisors is an integer number (8018703).

Almost surely, 2^195072436 is an apocalyptic number.

It is an amenable number.

195072436 is a deficient number, since it is larger than the sum of its proper divisors (189825308).

195072436 is a wasteful number, since it uses less digits than its factorization.

195072436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 195072436 is about 13966.8334278032. The cubic root of 195072436 is about 579.9607940205.

The spelling of 195072436 in words is "one hundred ninety-five million, seventy-two thousand, four hundred thirty-six".