783473972 has 18 divisors (see below), whose sum is σ = 1375861158. Its totient is φ = 390374272.

The previous prime is 783473959. The next prime is 783473983. The reversal of 783473972 is 279374387.

It can be written as a sum of positive squares in 3 ways, for example, as 54257956 + 729216016 = 7366^2 + 27004^2 .

It is a super-2 number, since 2×783473972² = 1227662929602913568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 783473972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1320908 + ... + 1321500.

It is an arithmetic number, because the mean of its divisors is an integer number (76436731).

Almost surely, 2^783473972 is an apocalyptic number.

It is an amenable number.

783473972 is a deficient number, since it is larger than the sum of its proper divisors (592387186).

783473972 is an equidigital number, since it uses as much as digits as its factorization.

783473972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1152 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The square root of 783473972 is about 27990.6050667005. The cubic root of 783473972 is about 921.8809862019.

The spelling of 783473972 in words is "seven hundred eighty-three million, four hundred seventy-three thousand, nine hundred seventy-two".