1072869328 has 20 divisors (see below), whose sum is σ = 2145739648. Its totient is φ = 519130080.

The previous prime is 1072869319. The next prime is 1072869367. The reversal of 1072869328 is 8239682701.

1072869328 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081026 + ... + 1082017.

Almost surely, 2^1072869328 is an apocalyptic number.

It is an amenable number.

1072869328 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1072869328 is a wasteful number, since it uses less digits than its factorization.

1072869328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163082 (or 2163076 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1072869328 is about 32754.6840619781. The cubic root of 1072869328 is about 1023.7225658323.

The spelling of 1072869328 in words is "one billion, seventy-two million, eight hundred sixty-nine thousand, three hundred twenty-eight".