913742520 has 128 divisors (see below), whose sum is σ = 2913926400. Its totient is φ = 228427776.

The previous prime is 913742507. The next prime is 913742549. The reversal of 913742520 is 25247319.

It is a congruent number.

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, 625551 + ... + 627009.

It is an arithmetic number, because the mean of its divisors is an integer number (22765050).

Almost surely, 2^913742520 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 913742520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456963200).

913742520 is an abundant number, since it is smaller than the sum of its proper divisors (2000183880).

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

913742520 is a wasteful number, since it uses less digits than its factorization.

913742520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 913742520 is about 30228.1742750038. The cubic root of 913742520 is about 970.3787517263.

Adding to 913742520 its reverse (25247319), we get a palindrome (938989839).

The spelling of 913742520 in words is "nine hundred thirteen million, seven hundred forty-two thousand, five hundred twenty".