70881339 has 8 divisors (see below), whose sum is σ = 94668112. Its totient is φ = 47174400.

The previous prime is 70881323. The next prime is 70881353. The reversal of 70881339 is 93318807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70881339 - 2⁴ = 70881323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70881297 and 70881306.

It is not an unprimeable number, because it can be changed into a prime (70831339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17854 + ... + 21459.

It is an arithmetic number, because the mean of its divisors is an integer number (11833514).

Almost surely, 2^70881339 is an apocalyptic number.

70881339 is a deficient number, since it is larger than the sum of its proper divisors (23786773).

70881339 is a wasteful number, since it uses less digits than its factorization.

70881339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39917.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 70881339 is about 8419.1055938265. The cubic root of 70881339 is about 413.8509638815.

The spelling of 70881339 in words is "seventy million, eight hundred eighty-one thousand, three hundred thirty-nine".