70234939 has 16 divisors (see below), whose sum is σ = 78008832. Its totient is φ = 62896768.

The previous prime is 70234921. The next prime is 70234943. The reversal of 70234939 is 93943207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70234939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70234898 and 70234907.

It is not an unprimeable number, because it can be changed into a prime (70234919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102492 + ... + 103174.

It is an arithmetic number, because the mean of its divisors is an integer number (4875552).

Almost surely, 2^70234939 is an apocalyptic number.

70234939 is a deficient number, since it is larger than the sum of its proper divisors (7773893).

70234939 is a wasteful number, since it uses less digits than its factorization.

70234939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 70234939 is about 8380.6287950249. The cubic root of 70234939 is about 412.5890868499.

The spelling of 70234939 in words is "seventy million, two hundred thirty-four thousand, nine hundred thirty-nine".