1575723472 has 40 divisors (see below), whose sum is σ = 3244988736. Its totient is φ = 738663936.

The previous prime is 1575723463. The next prime is 1575723473. The reversal of 1575723472 is 2743275751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1575723473) 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, 60523 + ... + 82549.

Almost surely, 2^1575723472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1575723472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622494368).

1575723472 is an abundant number, since it is smaller than the sum of its proper divisors (1669265264).

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

1575723472 is a wasteful number, since it uses less digits than its factorization.

1575723472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22315 (or 22309 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 1575723472 is about 39695.3835099247. The cubic root of 1575723472 is about 1163.6615061063.

The spelling of 1575723472 in words is "one billion, five hundred seventy-five million, seven hundred twenty-three thousand, four hundred seventy-two".