7474981 has 4 divisors (see below), whose sum is σ = 7577452. Its totient is φ = 7372512.

The previous prime is 7474979. The next prime is 7475009. The reversal of 7474981 is 1894747.

7474981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1894747 = 109 ⋅17383.

It can be written as a sum of positive squares in 2 ways, for example, as 4202500 + 3272481 = 2050^2 + 1809^2 .

It is a cyclic number.

It is not a de Polignac number, because 7474981 - 2¹ = 7474979 is a prime.

It is a super-2 number, since 2×7474981² = 111750681900722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51126 + ... + 51271.

It is an arithmetic number, because the mean of its divisors is an integer number (1894363).

Almost surely, 2^7474981 is an apocalyptic number.

It is an amenable number.

7474981 is a deficient number, since it is larger than the sum of its proper divisors (102471).

7474981 is a wasteful number, since it uses less digits than its factorization.

7474981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102470.

The product of its digits is 56448, while the sum is 40.

The square root of 7474981 is about 2734.0411481907. The cubic root of 7474981 is about 195.5254816418.

The spelling of 7474981 in words is "seven million, four hundred seventy-four thousand, nine hundred eighty-one".