1993537272 has 16 divisors (see below), whose sum is σ = 4983843240. Its totient is φ = 664512416.

The previous prime is 1993537261. The next prime is 1993537277. The reversal of 1993537272 is 2727353991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993537277) 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, 41532003 + ... + 41532050.

Almost surely, 2^1993537272 is an apocalyptic number.

1993537272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1993537272 is an abundant number, since it is smaller than the sum of its proper divisors (2990305968).

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

1993537272 is a wasteful number, since it uses less digits than its factorization.

1993537272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83064062 (or 83064058 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 1993537272 is about 44649.0455889037. The cubic root of 1993537272 is about 1258.5624976757.

The spelling of 1993537272 in words is "one billion, nine hundred ninety-three million, five hundred thirty-seven thousand, two hundred seventy-two".