7485540 has 24 divisors (see below), whose sum is σ = 20959680. Its totient is φ = 1996128.

The previous prime is 7485529. The next prime is 7485551. The reversal of 7485540 is 455847.

It is an interprime number because it is at equal distance from previous prime (7485529) and next prime (7485551).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62320 + ... + 62439.

It is an arithmetic number, because the mean of its divisors is an integer number (873320).

Almost surely, 2^7485540 is an apocalyptic number.

It is an amenable number.

7485540 is an abundant number, since it is smaller than the sum of its proper divisors (13474140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7485540 is a wasteful number, since it uses less digits than its factorization.

7485540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124771 (or 124769 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 7485540 is about 2735.9714910795. The cubic root of 7485540 is about 195.6175033788.

The spelling of 7485540 in words is "seven million, four hundred eighty-five thousand, five hundred forty".