7072540 has 12 divisors (see below), whose sum is σ = 14852376. Its totient is φ = 2829008.

The previous prime is 7072537. The next prime is 7072543. The reversal of 7072540 is 452707.

It is an interprime number because it is at equal distance from previous prime (7072537) and next prime (7072543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176794 + ... + 176833.

It is an arithmetic number, because the mean of its divisors is an integer number (1237698).

Almost surely, 2^7072540 is an apocalyptic number.

It is an amenable number.

7072540 is an abundant number, since it is smaller than the sum of its proper divisors (7779836).

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

7072540 is a wasteful number, since it uses less digits than its factorization.

7072540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353636 (or 353634 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7072540 is about 2659.4247498284. The cubic root of 7072540 is about 191.9516298870.

The spelling of 7072540 in words is "seven million, seventy-two thousand, five hundred forty".