448783731 has 48 divisors (see below), whose sum is σ = 751690368. Its totient is φ = 254995200.

The previous prime is 448783721. The next prime is 448783757. The reversal of 448783731 is 137387844.

It is not a de Polignac number, because 448783731 - 2⁷ = 448783603 is a prime.

It is a super-2 number, since 2×448783731² = 402813674420560722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448783711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 785676 + ... + 786246.

It is an arithmetic number, because the mean of its divisors is an integer number (15660216).

Almost surely, 2^448783731 is an apocalyptic number.

448783731 is a deficient number, since it is larger than the sum of its proper divisors (302906637).

448783731 is a wasteful number, since it uses less digits than its factorization.

448783731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1069 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 448783731 is about 21184.5163031871. The cubic root of 448783731 is about 765.6184106299.

The spelling of 448783731 in words is "four hundred forty-eight million, seven hundred eighty-three thousand, seven hundred thirty-one".