10731816 has 24 divisors (see below), whose sum is σ = 29065530. Its totient is φ = 3577248.

The previous prime is 10731781. The next prime is 10731829. The reversal of 10731816 is 61813701.

10731816 = T₂₀₁ + T₂₀₂ + ... + T₄₁₆.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 427716 = 3210^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10731816.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74455 + ... + 74598.

Almost surely, 2^10731816 is an apocalyptic number.

It is an amenable number.

10731816 is an abundant number, since it is smaller than the sum of its proper divisors (18333714).

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

10731816 is a wasteful number, since it uses less digits than its factorization.

10731816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149065 (or 149058 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10731816 is about 3275.9450544843. The cubic root of 10731816 is about 220.5757371680.

The spelling of 10731816 in words is "ten million, seven hundred thirty-one thousand, eight hundred sixteen".