70456129 has 2 divisors, whose sum is σ = 70456130. Its totient is φ = 70456128.

The previous prime is 70456091. The next prime is 70456151. The reversal of 70456129 is 92165407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 17239104 = 7295^2 + 4152^2 .

It is an emirp because it is prime and its reverse (92165407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70456129 - 2²³ = 62067521 is a prime.

It is a super-2 number, since 2×70456129² = 9928132227329282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70456094 and 70456103.

It is not a weakly prime, because it can be changed into another prime (70456189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35228064 + 35228065.

It is an arithmetic number, because the mean of its divisors is an integer number (35228065).

Almost surely, 2^70456129 is an apocalyptic number.

It is an amenable number.

70456129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70456129 is an equidigital number, since it uses as much as digits as its factorization.

70456129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70456129 is about 8393.8149252887. The cubic root of 70456129 is about 413.0217534911.

The spelling of 70456129 in words is "seventy million, four hundred fifty-six thousand, one hundred twenty-nine".