70701439 has 2 divisors, whose sum is σ = 70701440. Its totient is φ = 70701438.

The previous prime is 70701403. The next prime is 70701443. The reversal of 70701439 is 93410707.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70701439 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70701439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70701469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35350719 + 35350720.

It is an arithmetic number, because the mean of its divisors is an integer number (35350720).

Almost surely, 2^70701439 is an apocalyptic number.

70701439 is a deficient number, since it is larger than the sum of its proper divisors (1).

70701439 is an equidigital number, since it uses as much as digits as its factorization.

70701439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 70701439 is about 8408.4147733089. The cubic root of 70701439 is about 413.5005431843.

The spelling of 70701439 in words is "seventy million, seven hundred one thousand, four hundred thirty-nine".