1072431866 has 16 divisors (see below), whose sum is σ = 1756764288. Its totient is φ = 486948000.

The previous prime is 1072431817. The next prime is 1072431881. The reversal of 1072431866 is 6681342701.

It is a super-2 number, since 2×1072431866² = 2300220214424483912, which contains 22 as substring.

It is a Curzon 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, 4610 + ... + 46541.

It is an arithmetic number, because the mean of its divisors is an integer number (109797768).

Almost surely, 2^1072431866 is an apocalyptic number.

1072431866 is a deficient number, since it is larger than the sum of its proper divisors (684332422).

1072431866 is a wasteful number, since it uses less digits than its factorization.

1072431866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52117.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1072431866 is about 32748.0055270546. The cubic root of 1072431866 is about 1023.5834061067.

The spelling of 1072431866 in words is "one billion, seventy-two million, four hundred thirty-one thousand, eight hundred sixty-six".