1522726730 has 64 divisors (see below), whose sum is σ = 3299028480. Its totient is φ = 494740224.

The previous prime is 1522726691. The next prime is 1522726781. The reversal of 1522726730 is 376272251.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 171152 + ... + 179828.

It is an arithmetic number, because the mean of its divisors is an integer number (51547320).

Almost surely, 2^1522726730 is an apocalyptic number.

1522726730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1522726730 is an abundant number, since it is smaller than the sum of its proper divisors (1776301750).

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

1522726730 is a wasteful number, since it uses less digits than its factorization.

1522726730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1522726730 is about 39022.1312846954. The cubic root of 1522726730 is about 1150.4665353467.

Adding to 1522726730 its reverse (376272251), we get a palindrome (1898998981).

The spelling of 1522726730 in words is "one billion, five hundred twenty-two million, seven hundred twenty-six thousand, seven hundred thirty".