70374389 has 2 divisors, whose sum is σ = 70374390. Its totient is φ = 70374388.

The previous prime is 70374377. The next prime is 70374427. The reversal of 70374389 is 98347307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 2592100 = 8233^2 + 1610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70374389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70374989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35187194 + 35187195.

It is an arithmetic number, because the mean of its divisors is an integer number (35187195).

Almost surely, 2^70374389 is an apocalyptic number.

It is an amenable number.

70374389 is a deficient number, since it is larger than the sum of its proper divisors (1).

70374389 is an equidigital number, since it uses as much as digits as its factorization.

70374389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 70374389 is about 8388.9444508830. The cubic root of 70374389 is about 412.8619686586.

The spelling of 70374389 in words is "seventy million, three hundred seventy-four thousand, three hundred eighty-nine".