7540479 has 16 divisors (see below), whose sum is σ = 11219040. Its totient is φ = 5005440.

The previous prime is 7540459. The next prime is 7540499. The reversal of 7540479 is 9740457.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7540459) and next prime (7540499).

It is not a de Polignac number, because 7540479 - 2⁵ = 7540447 is a prime.

7540479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7540439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8119 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (701190).

Almost surely, 2^7540479 is an apocalyptic number.

7540479 is a deficient number, since it is larger than the sum of its proper divisors (3678561).

7540479 is a wasteful number, since it uses less digits than its factorization.

7540479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7540479 is about 2745.9932629196. The cubic root of 7540479 is about 196.0949057942.

The spelling of 7540479 in words is "seven million, five hundred forty thousand, four hundred seventy-nine".