70772651 has 2 divisors, whose sum is σ = 70772652. Its totient is φ = 70772650.

The previous prime is 70772623. The next prime is 70772677. The reversal of 70772651 is 15627707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70772651 - 2¹⁰ = 70771627 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70772621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35386325 + 35386326.

It is an arithmetic number, because the mean of its divisors is an integer number (35386326).

Almost surely, 2^70772651 is an apocalyptic number.

70772651 is a deficient number, since it is larger than the sum of its proper divisors (1).

70772651 is an equidigital number, since it uses as much as digits as its factorization.

70772651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 70772651 is about 8412.6482750677. The cubic root of 70772651 is about 413.6393254606.

The spelling of 70772651 in words is "seventy million, seven hundred seventy-two thousand, six hundred fifty-one".