70451429 has 2 divisors, whose sum is σ = 70451430. Its totient is φ = 70451428.

The previous prime is 70451419. The next prime is 70451431. The reversal of 70451429 is 92415407.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56776225 + 13675204 = 7535^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 70451429 - 2⁴ = 70451413 is a prime.

It is a Sophie Germain prime.

Together with 70451431, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70451395 and 70451404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70451419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35225714 + 35225715.

It is an arithmetic number, because the mean of its divisors is an integer number (35225715).

Almost surely, 2^70451429 is an apocalyptic number.

It is an amenable number.

70451429 is a deficient number, since it is larger than the sum of its proper divisors (1).

70451429 is an equidigital number, since it uses as much as digits as its factorization.

70451429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70451429 is about 8393.5349525691. The cubic root of 70451429 is about 413.0125693107.

The spelling of 70451429 in words is "seventy million, four hundred fifty-one thousand, four hundred twenty-nine".