7072537 has 2 divisors, whose sum is σ = 7072538. Its totient is φ = 7072536.

The previous prime is 7072531. The next prime is 7072543. The reversal of 7072537 is 7352707.

It is a balanced prime because it is at equal distance from previous prime (7072531) and next prime (7072543).

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 2359296 = 2171^2 + 1536^2 .

It is an emirp because it is prime and its reverse (7352707) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7072537 is a prime.

It is an Ulam number.

7072537 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7072499 and 7072508.

It is not a weakly prime, because it can be changed into another prime (7072531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536268 + 3536269.

It is an arithmetic number, because the mean of its divisors is an integer number (3536269).

Almost surely, 2^7072537 is an apocalyptic number.

It is an amenable number.

7072537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072537 is an equidigital number, since it uses as much as digits as its factorization.

7072537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 7072537 is about 2659.4241857966. The cubic root of 7072537 is about 191.9516027466.

The spelling of 7072537 in words is "seven million, seventy-two thousand, five hundred thirty-seven".