782485072 has 10 divisors (see below), whose sum is σ = 1516064858. Its totient is φ = 391242528.

The previous prime is 782485031. The next prime is 782485087. The reversal of 782485072 is 270584287.

It can be written as a sum of positive squares in only one way, i.e., 621804096 + 160680976 = 24936^2 + 12676^2 .

It is a super-2 number, since 2×782485072² = 1224565775805690368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24452643 + ... + 24452674.

Almost surely, 2^782485072 is an apocalyptic number.

It is an amenable number.

782485072 is a deficient number, since it is larger than the sum of its proper divisors (733579786).

782485072 is a wasteful number, since it uses less digits than its factorization.

782485072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48905325 (or 48905319 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 782485072 is about 27972.9346333201. The cubic root of 782485072 is about 921.4929571716.

The spelling of 782485072 in words is "seven hundred eighty-two million, four hundred eighty-five thousand, seventy-two".