70020629 has 8 divisors (see below), whose sum is σ = 80237760. Its totient is φ = 59857056.

The previous prime is 70020617. The next prime is 70020631. The reversal of 70020629 is 92602007.

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

It is not a de Polignac number, because 70020629 - 2²⁰ = 68972053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70020598 and 70020607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020649) 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, 10544 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (10029720).

Almost surely, 2^70020629 is an apocalyptic number.

It is an amenable number.

70020629 is a deficient number, since it is larger than the sum of its proper divisors (10217131).

70020629 is a wasteful number, since it uses less digits than its factorization.

70020629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26779.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 70020629 is about 8367.8329930753. The cubic root of 70020629 is about 412.1690107638.

The spelling of 70020629 in words is "seventy million, twenty thousand, six hundred twenty-nine".