70246537 has 2 divisors, whose sum is σ = 70246538. Its totient is φ = 70246536.

The previous prime is 70246507. The next prime is 70246573. The reversal of 70246537 is 73564207.

It is a happy number.

Together with next prime (70246573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69822736 + 423801 = 8356^2 + 651^2 .

It is an emirp because it is prime and its reverse (73564207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70246537 - 2¹⁵ = 70213769 is a prime.

It is not a weakly prime, because it can be changed into another prime (70246507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35123268 + 35123269.

It is an arithmetic number, because the mean of its divisors is an integer number (35123269).

Almost surely, 2^70246537 is an apocalyptic number.

It is an amenable number.

70246537 is a deficient number, since it is larger than the sum of its proper divisors (1).

70246537 is an equidigital number, since it uses as much as digits as its factorization.

70246537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 70246537 is about 8381.3207193139. The cubic root of 70246537 is about 412.6117960833.

The spelling of 70246537 in words is "seventy million, two hundred forty-six thousand, five hundred thirty-seven".