782472057 has 8 divisors (see below), whose sum is σ = 1043425920. Its totient is φ = 521583120.

The previous prime is 782472001. The next prime is 782472091. The reversal of 782472057 is 750274287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 782472057 - 2¹¹ = 782470009 is a prime.

It is a super-2 number, since 2×782472057² = 1224525039971622498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782471057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34944 + ... + 52782.

It is an arithmetic number, because the mean of its divisors is an integer number (130428240).

Almost surely, 2^782472057 is an apocalyptic number.

It is an amenable number.

782472057 is a deficient number, since it is larger than the sum of its proper divisors (260953863).

782472057 is a wasteful number, since it uses less digits than its factorization.

782472057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32463.

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 782472057 is about 27972.7019967682. The cubic root of 782472057 is about 921.4878481082.

The spelling of 782472057 in words is "seven hundred eighty-two million, four hundred seventy-two thousand, fifty-seven".