7400705 has 16 divisors (see below), whose sum is σ = 9800784. Its totient is φ = 5329920.

The previous prime is 7400683. The next prime is 7400711. The reversal of 7400705 is 5070047.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3352561 + 4048144 = 1831^2 + 2012^2 .

It is not a de Polignac number, because 7400705 - 2¹⁸ = 7138561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (612549).

Almost surely, 2^7400705 is an apocalyptic number.

It is an amenable number.

7400705 is a deficient number, since it is larger than the sum of its proper divisors (2400079).

7400705 is a wasteful number, since it uses less digits than its factorization.

7400705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7400705 is about 2720.4236802381. The cubic root of 7400705 is about 194.8757042648.

The spelling of 7400705 in words is "seven million, four hundred thousand, seven hundred five".