1043747472 has 20 divisors (see below), whose sum is σ = 2696347760. Its totient is φ = 347915808.

The previous prime is 1043747437. The next prime is 1043747473. The reversal of 1043747472 is 2747473401.

It is a self number, because there is not a number n which added to its sum of digits gives 1043747472.

It is not an unprimeable number, because it can be changed into a prime (1043747473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10872322 + ... + 10872417.

It is an arithmetic number, because the mean of its divisors is an integer number (134817388).

Almost surely, 2^1043747472 is an apocalyptic number.

1043747472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043747472 is an abundant number, since it is smaller than the sum of its proper divisors (1652600288).

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

1043747472 is a wasteful number, since it uses less digits than its factorization.

1043747472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21744750 (or 21744744 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 1043747472 is about 32307.0808337739. The cubic root of 1043747472 is about 1014.3748638316.

The spelling of 1043747472 in words is "one billion, forty-three million, seven hundred forty-seven thousand, four hundred seventy-two".