840980733 has 32 divisors (see below), whose sum is σ = 1181886336. Its totient is φ = 531318528.

The previous prime is 840980689. The next prime is 840980743. The reversal of 840980733 is 337089048.

It is not a de Polignac number, because 840980733 - 2¹² = 840976637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840980743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 958491 + ... + 959367.

It is an arithmetic number, because the mean of its divisors is an integer number (36933948).

Almost surely, 2^840980733 is an apocalyptic number.

It is an amenable number.

840980733 is a deficient number, since it is larger than the sum of its proper divisors (340905603).

840980733 is a wasteful number, since it uses less digits than its factorization.

840980733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 840980733 is about 28999.6678084422. The cubic root of 840980733 is about 943.9058594507.

The spelling of 840980733 in words is "eight hundred forty million, nine hundred eighty thousand, seven hundred thirty-three".