7449975 has 60 divisors (see below), whose sum is σ = 14913976. Its totient is φ = 3654720.

The previous prime is 7449973. The next prime is 7449979. The reversal of 7449975 is 5799447.

It is not a de Polignac number, because 7449975 - 2¹ = 7449973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7449975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7449971) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26184 + ... + 26466.

Almost surely, 2^7449975 is an apocalyptic number.

7449975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7449975 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7449975 is a wasteful number, since it uses less digits than its factorization.

7449975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 7449975 is about 2729.4642331417. The cubic root of 7449975 is about 195.3072080700.

The spelling of 7449975 in words is "seven million, four hundred forty-nine thousand, nine hundred seventy-five".