7404705 has 48 divisors (see below), whose sum is σ = 16009344. Its totient is φ = 3075840.

The previous prime is 7404659. The next prime is 7404731. The reversal of 7404705 is 5074047.

It is not a de Polignac number, because 7404705 - 2¹⁷ = 7273633 is a prime.

It is a super-2 number, since 2×7404705² = 109659312274050, which contains 22 as substring.

7404705 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2397 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (333528).

Almost surely, 2^7404705 is an apocalyptic number.

It is an amenable number.

7404705 is an abundant number, since it is smaller than the sum of its proper divisors (8604639).

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

7404705 is a wasteful number, since it uses less digits than its factorization.

7404705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7404705 is about 2721.1587605283. The cubic root of 7404705 is about 194.9108073359.

It can be divided in two parts, 740 and 4705, that added together give a palindrome (5445).

The spelling of 7404705 in words is "seven million, four hundred four thousand, seven hundred five".