4723640 has 32 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 1878144.

The previous prime is 4723633. The next prime is 4723661. The reversal of 4723640 is 463274.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁶ + 7 + 2¹⁹ + 3⁶ + 6³ + 4¹¹ + 0 .

It is a congruent 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, 10541 + ... + 10979.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

Almost surely, 2^4723640 is an apocalyptic number.

4723640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4723640 is an abundant number, since it is smaller than the sum of its proper divisors (5968360).

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

4723640 is a wasteful number, since it uses less digits than its factorization.

4723640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 4723640 is about 2173.3936596944. The cubic root of 4723640 is about 167.7872401169.

The spelling of 4723640 in words is "four million, seven hundred twenty-three thousand, six hundred forty".