840410072 has 8 divisors (see below), whose sum is σ = 1575768900. Its totient is φ = 420205032.

The previous prime is 840410047. The next prime is 840410089. The reversal of 840410072 is 270014048.

840410072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525622 + ... + 52525637.

Almost surely, 2^840410072 is an apocalyptic number.

It is an amenable number.

840410072 is a deficient number, since it is larger than the sum of its proper divisors (735358828).

840410072 is a wasteful number, since it uses less digits than its factorization.

840410072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105051265 (or 105051261 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 840410072 is about 28989.8270432923. The cubic root of 840410072 is about 943.6923103078.

The spelling of 840410072 in words is "eight hundred forty million, four hundred ten thousand, seventy-two".