781472463 has 8 divisors (see below), whose sum is σ = 1042101888. Its totient is φ = 520912344.

The previous prime is 781472441. The next prime is 781472477. The reversal of 781472463 is 364274187.

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

It is not a de Polignac number, because 781472463 - 2⁶ = 781472399 is a prime.

It is a super-2 number, since 2×781472463² = 1221398420854572738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (781472063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21270 + ... + 44892.

It is an arithmetic number, because the mean of its divisors is an integer number (130262736).

Almost surely, 2^781472463 is an apocalyptic number.

781472463 is a deficient number, since it is larger than the sum of its proper divisors (260629425).

781472463 is a wasteful number, since it uses less digits than its factorization.

781472463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34653.

The product of its digits is 225792, while the sum is 42.

The square root of 781472463 is about 27954.8289746155. The cubic root of 781472463 is about 921.0952861717.

The spelling of 781472463 in words is "seven hundred eighty-one million, four hundred seventy-two thousand, four hundred sixty-three".