779472 has 30 divisors (see below), whose sum is σ = 2181842. Its totient is φ = 259776.

The previous prime is 779413. The next prime is 779477. The reversal of 779472 is 274977.

779472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 207936 = 756^2 + 456^2 .

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779477) by changing a digit.

779472 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 5 ways as a sum of consecutive naturals, for example, 2563 + ... + 2850.

2⁷⁷⁹⁴⁷² is an apocalyptic number.

779472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

779472 is an abundant number, since it is smaller than the sum of its proper divisors (1402370).

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

779472 is a wasteful number, since it uses less digits than its factorization.

779472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427 (or 5418 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 779472 is about 882.8771148920. The cubic root of 779472 is about 92.0308655100.

The spelling of 779472 in words is "seven hundred seventy-nine thousand, four hundred seventy-two".