70422377 has 2 divisors, whose sum is σ = 70422378. Its totient is φ = 70422376.

The previous prime is 70422361. The next prime is 70422409. The reversal of 70422377 is 77322407.

It is an a-pointer prime, because the next prime (70422409) can be obtained adding 70422377 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68293696 + 2128681 = 8264^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 70422377 - 2⁴ = 70422361 is a prime.

It is a super-2 number, since 2×70422377² = 9918622364660258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70422277) 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, 35211188 + 35211189.

It is an arithmetic number, because the mean of its divisors is an integer number (35211189).

Almost surely, 2^70422377 is an apocalyptic number.

It is an amenable number.

70422377 is a deficient number, since it is larger than the sum of its proper divisors (1).

70422377 is an equidigital number, since it uses as much as digits as its factorization.

70422377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70422377 is about 8391.8041564374. The cubic root of 70422377 is about 412.9557902832.

The spelling of 70422377 in words is "seventy million, four hundred twenty-two thousand, three hundred seventy-seven".