70316537 has 2 divisors, whose sum is σ = 70316538. Its totient is φ = 70316536.

The previous prime is 70316501. The next prime is 70316563. The reversal of 70316537 is 73561307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 12313081 = 7616^2 + 3509^2 .

It is an emirp because it is prime and its reverse (73561307) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70316537 is a prime.

It is not a weakly prime, because it can be changed into another prime (70316737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35158268 + 35158269.

It is an arithmetic number, because the mean of its divisors is an integer number (35158269).

Almost surely, 2^70316537 is an apocalyptic number.

It is an amenable number.

70316537 is a deficient number, since it is larger than the sum of its proper divisors (1).

70316537 is an equidigital number, since it uses as much as digits as its factorization.

70316537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 70316537 is about 8385.4956323404. The cubic root of 70316537 is about 412.7488051490.

The spelling of 70316537 in words is "seventy million, three hundred sixteen thousand, five hundred thirty-seven".