70996511 has 2 divisors, whose sum is σ = 70996512. Its totient is φ = 70996510.

The previous prime is 70996501. The next prime is 70996571. The reversal of 70996511 is 11569907.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70996511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70996501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35498255 + 35498256.

It is an arithmetic number, because the mean of its divisors is an integer number (35498256).

Almost surely, 2^70996511 is an apocalyptic number.

70996511 is a deficient number, since it is larger than the sum of its proper divisors (1).

70996511 is an equidigital number, since it uses as much as digits as its factorization.

70996511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 70996511 is about 8425.9427365726. The cubic root of 70996511 is about 414.0749920551.

The spelling of 70996511 in words is "seventy million, nine hundred ninety-six thousand, five hundred eleven".