1072688 has 10 divisors (see below), whose sum is σ = 2078364. Its totient is φ = 536336.

The previous prime is 1072657. The next prime is 1072711. The reversal of 1072688 is 8862701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33506 + ... + 33537.

2^1072688 is an apocalyptic number.

It is an amenable number.

1072688 is a deficient number, since it is larger than the sum of its proper divisors (1005676).

1072688 is an equidigital number, since it uses as much as digits as its factorization.

1072688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67051 (or 67045 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1072688 is about 1035.7065221384. The cubic root of 1072688 is about 102.3664888717.

The spelling of 1072688 in words is "one million, seventy-two thousand, six hundred eighty-eight".