7505481 has 16 divisors (see below), whose sum is σ = 10257408. Its totient is φ = 4880400.

The previous prime is 7505479. The next prime is 7505539. The reversal of 7505481 is 1845057.

7505481 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 7505481 - 2¹ = 7505479 is a prime.

It is a super-2 number, since 2×7505481² = 112664490082722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7505431) 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, 35466 + ... + 35676.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^7505481 is an apocalyptic number.

7505481 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7505481 is a deficient number, since it is larger than the sum of its proper divisors (2751927).

7505481 is a wasteful number, since it uses less digits than its factorization.

7505481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 7505481 is about 2739.6132938793. The cubic root of 7505481 is about 195.7910535354.

The spelling of 7505481 in words is "seven million, five hundred five thousand, four hundred eighty-one".