1072791994 has 16 divisors (see below), whose sum is σ = 1638216576. Its totient is φ = 526748400.

The previous prime is 1072791989. The next prime is 1072792001. The reversal of 1072791994 is 4991972701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72139 + ... + 85729.

It is an arithmetic number, because the mean of its divisors is an integer number (102388536).

Almost surely, 2^1072791994 is an apocalyptic number.

1072791994 is a deficient number, since it is larger than the sum of its proper divisors (565424582).

1072791994 is a wasteful number, since it uses less digits than its factorization.

1072791994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 1072791994 is about 32753.5035377897. The cubic root of 1072791994 is about 1023.6979680982.

The spelling of 1072791994 in words is "one billion, seventy-two million, seven hundred ninety-one thousand, nine hundred ninety-four".