70357643 has 2 divisors, whose sum is σ = 70357644. Its totient is φ = 70357642.

The previous prime is 70357633. The next prime is 70357657. The reversal of 70357643 is 34675307.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70357643 - 2⁶ = 70357579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70357603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35178821 + 35178822.

It is an arithmetic number, because the mean of its divisors is an integer number (35178822).

Almost surely, 2^70357643 is an apocalyptic number.

70357643 is a deficient number, since it is larger than the sum of its proper divisors (1).

70357643 is an equidigital number, since it uses as much as digits as its factorization.

70357643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 70357643 is about 8387.9462921504. The cubic root of 70357643 is about 412.8292184158.

The spelling of 70357643 in words is "seventy million, three hundred fifty-seven thousand, six hundred forty-three".