1530761636 has 12 divisors (see below), whose sum is σ = 2771206620. Its totient is φ = 738988320.

The previous prime is 1530761627. The next prime is 1530761717. The reversal of 1530761636 is 6361670351.

It can be written as a sum of positive squares in 2 ways, for example, as 1277633536 + 253128100 = 35744^2 + 15910^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1530761636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597995 + ... + 6598226.

It is an arithmetic number, because the mean of its divisors is an integer number (230933885).

Almost surely, 2^1530761636 is an apocalyptic number.

It is an amenable number.

1530761636 is a deficient number, since it is larger than the sum of its proper divisors (1240444984).

1530761636 is a wasteful number, since it uses less digits than its factorization.

1530761636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196254 (or 13196252 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1530761636 is about 39124.9490223310. The cubic root of 1530761636 is about 1152.4865255035.

The spelling of 1530761636 in words is "one billion, five hundred thirty million, seven hundred sixty-one thousand, six hundred thirty-six".