1791542472 has 16 divisors (see below), whose sum is σ = 4478856240. Its totient is φ = 597180816.

The previous prime is 1791542453. The next prime is 1791542491. The reversal of 1791542472 is 2742451971.

It is an interprime number because it is at equal distance from previous prime (1791542453) and next prime (1791542491).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37323778 + ... + 37323825.

It is an arithmetic number, because the mean of its divisors is an integer number (279928515).

Almost surely, 2^1791542472 is an apocalyptic number.

1791542472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1791542472 is an abundant number, since it is smaller than the sum of its proper divisors (2687313768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1791542472 is a wasteful number, since it uses less digits than its factorization.

1791542472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74647612 (or 74647608 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 1791542472 is about 42326.6165905096. The cubic root of 1791542472 is about 1214.5322075944.

The spelling of 1791542472 in words is "one billion, seven hundred ninety-one million, five hundred forty-two thousand, four hundred seventy-two".