1073688432 has 40 divisors (see below), whose sum is σ = 2784519696. Its totient is φ = 356499456.

The previous prime is 1073688419. The next prime is 1073688437. The reversal of 1073688432 is 2348863701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073688437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31183 + ... + 55854.

Almost surely, 2^1073688432 is an apocalyptic number.

1073688432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1073688432 is an abundant number, since it is smaller than the sum of its proper divisors (1710831264).

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

1073688432 is a wasteful number, since it uses less digits than its factorization.

1073688432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87305 (or 87299 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1073688432 is about 32767.1852926064. The cubic root of 1073688432 is about 1023.9830268590.

The spelling of 1073688432 in words is "one billion, seventy-three million, six hundred eighty-eight thousand, four hundred thirty-two".