1073492865 has 32 divisors (see below), whose sum is σ = 1913558400. Its totient is φ = 570991680.

The previous prime is 1073492857. The next prime is 1073492891. The reversal of 1073492865 is 5682943701.

1073492865 is a `hidden beast` number, since 10 + 73 + 492 + 86 + 5 = 666.

1073492865 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1073492865 - 2³ = 1073492857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

1073492865 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1073492865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40675 + ... + 61655.

It is an arithmetic number, because the mean of its divisors is an integer number (59798700).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1073492865 = 2146985730, but 3⋅1073492865 = 3220478595 is not.

Almost surely, 2^1073492865 is an apocalyptic number.

1073492865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1073492865 is a deficient number, since it is larger than the sum of its proper divisors (840065535).

1073492865 is a wasteful number, since it uses less digits than its factorization.

1073492865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21374 (or 21368 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1073492865 is about 32764.2009669090. The cubic root of 1073492865 is about 1023.9208519479.

The spelling of 1073492865 in words is "one billion, seventy-three million, four hundred ninety-two thousand, eight hundred sixty-five".