70842407 has 2 divisors, whose sum is σ = 70842408. Its totient is φ = 70842406.

The previous prime is 70842391. The next prime is 70842427. The reversal of 70842407 is 70424807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70842407 - 2⁴ = 70842391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70842427) 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, 35421203 + 35421204.

It is an arithmetic number, because the mean of its divisors is an integer number (35421204).

Almost surely, 2^70842407 is an apocalyptic number.

70842407 is a deficient number, since it is larger than the sum of its proper divisors (1).

70842407 is an equidigital number, since it uses as much as digits as its factorization.

70842407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 70842407 is about 8416.7931541651. The cubic root of 70842407 is about 413.7751799646.

The spelling of 70842407 in words is "seventy million, eight hundred forty-two thousand, four hundred seven".