1072668 has 24 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 352240.

The previous prime is 1072657. The next prime is 1072711. The reversal of 1072668 is 8662701.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

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, 223 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1072668 is an apocalyptic number.

It is an amenable number.

1072668 is an abundant number, since it is smaller than the sum of its proper divisors (1467492).

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

1072668 is a wasteful number, since it uses less digits than its factorization.

1072668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1072668 is about 1035.6968668486. The cubic root of 1072668 is about 102.3658526685.

It can be divided in two parts, 107 and 2668, that added together give a triangular number (2775 = T₇₄).

The spelling of 1072668 in words is "one million, seventy-two thousand, six hundred sixty-eight".