7474745 has 8 divisors (see below), whose sum is σ = 8984520. Its totient is φ = 5969920.

The previous prime is 7474717. The next prime is 7474759. The reversal of 7474745 is 5474747.

7474745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32761 + 7441984 = 181^2 + 2728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7474745 - 2⁶ = 7474681 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7474699 and 7474708.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 6009.

It is an arithmetic number, because the mean of its divisors is an integer number (1123065).

Almost surely, 2^7474745 is an apocalyptic number.

It is an amenable number.

7474745 is a deficient number, since it is larger than the sum of its proper divisors (1509775).

7474745 is a wasteful number, since it uses less digits than its factorization.

7474745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its digits is 109760, while the sum is 38.

The square root of 7474745 is about 2733.9979882948. The cubic root of 7474745 is about 195.5234239109.

The spelling of 7474745 in words is "seven million, four hundred seventy-four thousand, seven hundred forty-five".