1530072726 has 96 divisors (see below), whose sum is σ = 4059266400. Its totient is φ = 379782144.

The previous prime is 1530072703. The next prime is 1530072737. The reversal of 1530072726 is 6272700351.

1530072726 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1530072726² = 4682245093698142152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53200 + ... + 76748.

It is an arithmetic number, because the mean of its divisors is an integer number (42284025).

Almost surely, 2^1530072726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530072726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029633200).

1530072726 is an abundant number, since it is smaller than the sum of its proper divisors (2529193674).

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

1530072726 is a wasteful number, since it uses less digits than its factorization.

1530072726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598 (or 23591 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1530072726 is about 39116.1440584319. The cubic root of 1530072726 is about 1152.3136097015.

The spelling of 1530072726 in words is "one billion, five hundred thirty million, seventy-two thousand, seven hundred twenty-six".