1575728382 has 16 divisors (see below), whose sum is σ = 3155268240. Its totient is φ = 524607552.

The previous prime is 1575728381. The next prime is 1575728383. The reversal of 1575728382 is 2838275751.

It is an interprime number because it is at equal distance from previous prime (1575728381) and next prime (1575728383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1575728381) 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, 153423 + ... + 163370.

It is an arithmetic number, because the mean of its divisors is an integer number (197204265).

Almost surely, 2^1575728382 is an apocalyptic number.

1575728382 is an abundant number, since it is smaller than the sum of its proper divisors (1579539858).

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

1575728382 is a wasteful number, since it uses less digits than its factorization.

1575728382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317627.

The product of its digits is 940800, while the sum is 48.

The square root of 1575728382 is about 39695.4453558592. The cubic root of 1575728382 is about 1163.6627147727.

The spelling of 1575728382 in words is "one billion, five hundred seventy-five million, seven hundred twenty-eight thousand, three hundred eighty-two".