7404681 has 4 divisors (see below), whose sum is σ = 9872912. Its totient is φ = 4936452.

The previous prime is 7404659. The next prime is 7404731. The reversal of 7404681 is 1864047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7404681 - 2¹⁵ = 7371913 is a prime.

It is a super-2 number, since 2×7404681² = 109658601423522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7404611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234111 + ... + 1234116.

It is an arithmetic number, because the mean of its divisors is an integer number (2468228).

Almost surely, 2^7404681 is an apocalyptic number.

It is an amenable number.

7404681 is a deficient number, since it is larger than the sum of its proper divisors (2468231).

7404681 is a wasteful number, since it uses less digits than its factorization.

7404681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468230.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7404681 is about 2721.1543506387. The cubic root of 7404681 is about 194.9105967552.

The spelling of 7404681 in words is "seven million, four hundred four thousand, six hundred eighty-one".