70439626 has 8 divisors (see below), whose sum is σ = 109067904. Its totient is φ = 34083660.

The previous prime is 70439587. The next prime is 70439647. The reversal of 70439626 is 62693407.

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

It is a super-2 number, since 2×70439626² = 9923481822039752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568000 + ... + 568123.

It is an arithmetic number, because the mean of its divisors is an integer number (13633488).

Almost surely, 2^70439626 is an apocalyptic number.

70439626 is a deficient number, since it is larger than the sum of its proper divisors (38628278).

70439626 is a wasteful number, since it uses less digits than its factorization.

70439626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136156.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 70439626 is about 8392.8318224542. The cubic root of 70439626 is about 412.9895034922.

The spelling of 70439626 in words is "seventy million, four hundred thirty-nine thousand, six hundred twenty-six".