1073542894 has 32 divisors (see below), whose sum is σ = 1784669760. Its totient is φ = 481738752.

The previous prime is 1073542889. The next prime is 1073542919. The reversal of 1073542894 is 4982453701.

It is a self number, because there is not a number n which added to its sum of digits gives 1073542894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274102 + ... + 277990.

It is an arithmetic number, because the mean of its divisors is an integer number (55770930).

Almost surely, 2^1073542894 is an apocalyptic number.

1073542894 is a deficient number, since it is larger than the sum of its proper divisors (711126866).

1073542894 is a wasteful number, since it uses less digits than its factorization.

1073542894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1073542894 is about 32764.9644284867. The cubic root of 1073542894 is about 1023.9367579503.

The spelling of 1073542894 in words is "one billion, seventy-three million, five hundred forty-two thousand, eight hundred ninety-four".