130727772 has 36 divisors (see below), whose sum is σ = 377658736. Its totient is φ = 37350720.

The previous prime is 130727761. The next prime is 130727801. The reversal of 130727772 is 277727031.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259129 + ... + 259632.

Almost surely, 2^130727772 is an apocalyptic number.

130727772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130727772 is an abundant number, since it is smaller than the sum of its proper divisors (246930964).

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

130727772 is a wasteful number, since it uses less digits than its factorization.

130727772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518778 (or 518773 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 130727772 is about 11433.6246221397. The cubic root of 130727772 is about 507.5232626220.

The spelling of 130727772 in words is "one hundred thirty million, seven hundred twenty-seven thousand, seven hundred seventy-two".