70439910 has 16 divisors (see below), whose sum is σ = 169055856. Its totient is φ = 18783968.

The previous prime is 70439909. The next prime is 70439917. The reversal of 70439910 is 1993407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70439917) 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, 1173969 + ... + 1174028.

It is an arithmetic number, because the mean of its divisors is an integer number (10565991).

Almost surely, 2^70439910 is an apocalyptic number.

70439910 is an abundant number, since it is smaller than the sum of its proper divisors (98615946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70439910 is a wasteful number, since it uses less digits than its factorization.

70439910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348007.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 70439910 is about 8392.8487416371. The cubic root of 70439910 is about 412.9900585248.

The spelling of 70439910 in words is "seventy million, four hundred thirty-nine thousand, nine hundred ten".