70434751 has 2 divisors, whose sum is σ = 70434752. Its totient is φ = 70434750.

The previous prime is 70434739. The next prime is 70434779. The reversal of 70434751 is 15743407.

It is a weak prime.

It is an emirp because it is prime and its reverse (15743407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70434751 - 2⁹ = 70434239 is a prime.

It is a super-2 number, since 2×70434751² = 9922108296864002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70434781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35217375 + 35217376.

It is an arithmetic number, because the mean of its divisors is an integer number (35217376).

Almost surely, 2^70434751 is an apocalyptic number.

70434751 is a deficient number, since it is larger than the sum of its proper divisors (1).

70434751 is an equidigital number, since it uses as much as digits as its factorization.

70434751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70434751 is about 8392.5413910210. The cubic root of 70434751 is about 412.9799758518.

The spelling of 70434751 in words is "seventy million, four hundred thirty-four thousand, seven hundred fifty-one".