1072306 has 8 divisors (see below), whose sum is σ = 1678464. Its totient is φ = 512820.

The previous prime is 1072301. The next prime is 1072327. The reversal of 1072306 is 6032701.

1072306 = T₈₄₄ + T₈₄₅ + T₈₄₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1072306² = 2299680315272, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1072301) 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, 11610 + ... + 11701.

It is an arithmetic number, because the mean of its divisors is an integer number (209808).

2^1072306 is an apocalyptic number.

1072306 is the 846-th centered triangular number.

1072306 is a deficient number, since it is larger than the sum of its proper divisors (606158).

1072306 is a wasteful number, since it uses less digits than its factorization.

1072306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1072306 is about 1035.5220905418. The cubic root of 1072306 is about 102.3543360240.

It can be divided in two parts, 1072 and 306, that added together give a triangular number (1378 = T₅₂).

The spelling of 1072306 in words is "one million, seventy-two thousand, three hundred six".