1073731992 has 16 divisors (see below), whose sum is σ = 2684330040. Its totient is φ = 357910656.

The previous prime is 1073731991. The next prime is 1073732003. The reversal of 1073731992 is 2991373701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073731991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22369393 + ... + 22369440.

Almost surely, 2^1073731992 is an apocalyptic number.

1073731992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1073731992 is an abundant number, since it is smaller than the sum of its proper divisors (1610598048).

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

1073731992 is a wasteful number, since it uses less digits than its factorization.

1073731992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44738842 (or 44738838 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 1073731992 is about 32767.8499752425. The cubic root of 1073731992 is about 1023.9968744818.

The spelling of 1073731992 in words is "one billion, seventy-three million, seven hundred thirty-one thousand, nine hundred ninety-two".