72010537 has 2 divisors, whose sum is σ = 72010538. Its totient is φ = 72010536.

The previous prime is 72010507. The next prime is 72010553. The reversal of 72010537 is 73501027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 7706176 = 8019^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 72010537 - 2⁷ = 72010409 is a prime.

It is not a weakly prime, because it can be changed into another prime (72010507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36005268 + 36005269.

It is an arithmetic number, because the mean of its divisors is an integer number (36005269).

Almost surely, 2^72010537 is an apocalyptic number.

It is an amenable number.

72010537 is a deficient number, since it is larger than the sum of its proper divisors (1).

72010537 is an equidigital number, since it uses as much as digits as its factorization.

72010537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 72010537 is about 8485.9022502030. The cubic root of 72010537 is about 416.0370579198.

The spelling of 72010537 in words is "seventy-two million, ten thousand, five hundred thirty-seven".