7474749 has 12 divisors (see below), whose sum is σ = 10169376. Its totient is φ = 4883632.

The previous prime is 7474717. The next prime is 7474759. The reversal of 7474749 is 9474747.

7474749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7474749 - 2⁵ = 7474717 is a prime.

It is a super-2 number, since 2×7474749² = 111743745226002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7474749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7984 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (847448).

Almost surely, 2^7474749 is an apocalyptic number.

It is an amenable number.

7474749 is a deficient number, since it is larger than the sum of its proper divisors (2694627).

7474749 is an equidigital number, since it uses as much as digits as its factorization.

7474749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 943 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The square root of 7474749 is about 2733.9987198241. The cubic root of 7474749 is about 195.5234587880.

The spelling of 7474749 in words is "seven million, four hundred seventy-four thousand, seven hundred forty-nine".