787272 has 16 divisors (see below), whose sum is σ = 1968240. Its totient is φ = 262416.

The previous prime is 787261. The next prime is 787277. The reversal of 787272 is 272787.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (787277) by changing a digit.

787272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16378 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (123015).

2⁷⁸⁷²⁷² is an apocalyptic number.

It is an amenable number.

787272 is an abundant number, since it is smaller than the sum of its proper divisors (1180968).

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

787272 is a wasteful number, since it uses less digits than its factorization.

787272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32812 (or 32808 counting only the distinct ones).

The product of its digits is 10976, while the sum is 33.

The square root of 787272 is about 887.2834947186. The cubic root of 787272 is about 92.3368245656.

The spelling of 787272 in words is "seven hundred eighty-seven thousand, two hundred seventy-two".