70694051 has 2 divisors, whose sum is σ = 70694052. Its totient is φ = 70694050.

The previous prime is 70694033. The next prime is 70694077. The reversal of 70694051 is 15049607.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70694051 - 2¹⁰ = 70693027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70693999 and 70694017.

It is not a weakly prime, because it can be changed into another prime (70694011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35347025 + 35347026.

It is an arithmetic number, because the mean of its divisors is an integer number (35347026).

Almost surely, 2^70694051 is an apocalyptic number.

70694051 is a deficient number, since it is larger than the sum of its proper divisors (1).

70694051 is an equidigital number, since it uses as much as digits as its factorization.

70694051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 70694051 is about 8407.9754400212. The cubic root of 70694051 is about 413.4861396659.

The spelling of 70694051 in words is "seventy million, six hundred ninety-four thousand, fifty-one".