919072340 has 12 divisors (see below), whose sum is σ = 1930051956. Its totient is φ = 367628928.

The previous prime is 919072339. The next prime is 919072367. The reversal of 919072340 is 43270919.

It can be written as a sum of positive squares in 2 ways, for example, as 176836804 + 742235536 = 13298^2 + 27244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 919072340.

It is a congruent number.

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, 22976789 + ... + 22976828.

It is an arithmetic number, because the mean of its divisors is an integer number (160837663).

Almost surely, 2^919072340 is an apocalyptic number.

It is an amenable number.

919072340 is an abundant number, since it is smaller than the sum of its proper divisors (1010979616).

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

919072340 is a wasteful number, since it uses less digits than its factorization.

919072340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45953626 (or 45953624 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 919072340 is about 30316.2058971765. The cubic root of 919072340 is about 972.2618207230.

The spelling of 919072340 in words is "nine hundred nineteen million, seventy-two thousand, three hundred forty".