70537 has 2 divisors, whose sum is σ = 70538. Its totient is φ = 70536.

The previous prime is 70529. The next prime is 70549. The reversal of 70537 is 73507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69696 + 841 = 264^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 70537 - 2³ = 70529 is a prime.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70537.

It is not a weakly prime, because it can be changed into another prime (70507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35268 + 35269.

It is an arithmetic number, because the mean of its divisors is an integer number (35269).

2⁷⁰⁵³⁷ is an apocalyptic number.

It is an amenable number.

70537 is a deficient number, since it is larger than the sum of its proper divisors (1).

70537 is an equidigital number, since it uses as much as digits as its factorization.

70537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 70537 is about 265.5880268386. The cubic root of 70537 is about 41.3179718034.

The spelling of 70537 in words is "seventy thousand, five hundred thirty-seven".