70097839 has 8 divisors (see below), whose sum is σ = 80689280. Its totient is φ = 59650776.

The previous prime is 70097743. The next prime is 70097857. The reversal of 70097839 is 93879007.

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

It is a cyclic number.

It is not a de Polignac number, because 70097839 - 2¹¹ = 70095791 is a prime.

It is a super-3 number, since 3×70097839³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70097795 and 70097804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70097039) 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, 35049 + ... + 36994.

It is an arithmetic number, because the mean of its divisors is an integer number (10086160).

Almost surely, 2^70097839 is an apocalyptic number.

70097839 is a deficient number, since it is larger than the sum of its proper divisors (10591441).

70097839 is a wasteful number, since it uses less digits than its factorization.

70097839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72189.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 70097839 is about 8372.4452222753. The cubic root of 70097839 is about 412.3204512746.

The spelling of 70097839 in words is "seventy million, ninety-seven thousand, eight hundred thirty-nine".