7540029 has 24 divisors (see below), whose sum is σ = 12879360. Its totient is φ = 4159008.

The previous prime is 7540019. The next prime is 7540051. The reversal of 7540029 is 9200457.

7540029 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 7540029 - 2⁸ = 7539773 is a prime.

It is a super-3 number, since 3×7540029³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7539984 and 7540011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7540009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (536640).

Almost surely, 2^7540029 is an apocalyptic number.

It is an amenable number.

7540029 is a deficient number, since it is larger than the sum of its proper divisors (5339331).

7540029 is a wasteful number, since it uses less digits than its factorization.

7540029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4166 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7540029 is about 2745.9113241327. The cubic root of 7540029 is about 196.0910048721.

It can be divided in two parts, 75 and 40029, that added together give a palindrome (40104).

The spelling of 7540029 in words is "seven million, five hundred forty thousand, twenty-nine".