70973579 has 2 divisors, whose sum is σ = 70973580. Its totient is φ = 70973578.

The previous prime is 70973563. The next prime is 70973599. The reversal of 70973579 is 97537907.

It is a weak prime.

It is an emirp because it is prime and its reverse (97537907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70973579 - 2⁴ = 70973563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70973509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35486789 + 35486790.

It is an arithmetic number, because the mean of its divisors is an integer number (35486790).

Almost surely, 2^70973579 is an apocalyptic number.

70973579 is a deficient number, since it is larger than the sum of its proper divisors (1).

70973579 is an equidigital number, since it uses as much as digits as its factorization.

70973579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 416745, while the sum is 47.

The square root of 70973579 is about 8424.5818293848. The cubic root of 70973579 is about 414.0304049332.

The spelling of 70973579 in words is "seventy million, nine hundred seventy-three thousand, five hundred seventy-nine".