70449838 has 8 divisors (see below), whose sum is σ = 105978600. Its totient is φ = 35123640.

The previous prime is 70449833. The next prime is 70449857. The reversal of 70449838 is 83894407.

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

It is a junction number, because it is equal to n+sod(n) for n = 70449794 and 70449803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70449833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49768 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (13247325).

Almost surely, 2^70449838 is an apocalyptic number.

70449838 is a deficient number, since it is larger than the sum of its proper divisors (35528762).

70449838 is a wasteful number, since it uses less digits than its factorization.

70449838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101282.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 70449838 is about 8393.4401767094. The cubic root of 70449838 is about 413.0094602753.

The spelling of 70449838 in words is "seventy million, four hundred forty-nine thousand, eight hundred thirty-eight".