70882139 has 2 divisors, whose sum is σ = 70882140. Its totient is φ = 70882138.

The previous prime is 70882127. The next prime is 70882199. The reversal of 70882139 is 93128807.

It is a weak prime.

It is an emirp because it is prime and its reverse (93128807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70882139 - 2¹² = 70878043 is a prime.

It is not a weakly prime, because it can be changed into another prime (70882109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35441069 + 35441070.

It is an arithmetic number, because the mean of its divisors is an integer number (35441070).

Almost surely, 2^70882139 is an apocalyptic number.

70882139 is a deficient number, since it is larger than the sum of its proper divisors (1).

70882139 is an equidigital number, since it uses as much as digits as its factorization.

70882139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 70882139 is about 8419.1531046775. The cubic root of 70882139 is about 413.8525208476.

The spelling of 70882139 in words is "seventy million, eight hundred eighty-two thousand, one hundred thirty-nine".