70259747 has 2 divisors, whose sum is σ = 70259748. Its totient is φ = 70259746.

The previous prime is 70259729. The next prime is 70259753. The reversal of 70259747 is 74795207.

It is a strong prime.

It is an emirp because it is prime and its reverse (74795207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70259747 is a prime.

It is not a weakly prime, because it can be changed into another prime (70259797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35129873 + 35129874.

It is an arithmetic number, because the mean of its divisors is an integer number (35129874).

Almost surely, 2^70259747 is an apocalyptic number.

70259747 is a deficient number, since it is larger than the sum of its proper divisors (1).

70259747 is an equidigital number, since it uses as much as digits as its factorization.

70259747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 70259747 is about 8382.1087442242. The cubic root of 70259747 is about 412.6376586165.

The spelling of 70259747 in words is "seventy million, two hundred fifty-nine thousand, seven hundred forty-seven".