787521272 has 64 divisors (see below), whose sum is σ = 1621939200. Its totient is φ = 357073920.

The previous prime is 787521271. The next prime is 787521289. The reversal of 787521272 is 272125787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787521271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456203 + ... + 457925.

It is an arithmetic number, because the mean of its divisors is an integer number (25342800).

Almost surely, 2^787521272 is an apocalyptic number.

It is an amenable number.

787521272 is an abundant number, since it is smaller than the sum of its proper divisors (834417928).

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

787521272 is a wasteful number, since it uses less digits than its factorization.

787521272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1872 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 787521272 is about 28062.8094103210. The cubic root of 787521272 is about 923.4656899788.

The spelling of 787521272 in words is "seven hundred eighty-seven million, five hundred twenty-one thousand, two hundred seventy-two".