913091740 has 72 divisors (see below), whose sum is σ = 2207891952. Its totient is φ = 314530560.

The previous prime is 913091731. The next prime is 913091761. The reversal of 913091740 is 47190319.

It is a junction number, because it is equal to n+sod(n) for n = 913091696 and 913091705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73672 + ... + 85168.

It is an arithmetic number, because the mean of its divisors is an integer number (30665166).

Almost surely, 2^913091740 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 913091740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103945976).

913091740 is an abundant number, since it is smaller than the sum of its proper divisors (1294800212).

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

913091740 is a wasteful number, since it uses less digits than its factorization.

913091740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555 (or 11534 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 913091740 is about 30217.4078967737. The cubic root of 913091740 is about 970.1483246453.

The spelling of 913091740 in words is "nine hundred thirteen million, ninety-one thousand, seven hundred forty".