70649338 has 8 divisors (see below), whose sum is σ = 106808832. Its totient is φ = 35046396.

The previous prime is 70649333. The next prime is 70649347. The reversal of 70649338 is 83394607.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70649338.

It is not an unprimeable number, because it can be changed into a prime (70649333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138820 + ... + 139327.

It is an arithmetic number, because the mean of its divisors is an integer number (13351104).

Almost surely, 2^70649338 is an apocalyptic number.

70649338 is a deficient number, since it is larger than the sum of its proper divisors (36159494).

70649338 is a wasteful number, since it uses less digits than its factorization.

70649338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278276.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 70649338 is about 8405.3160559256. The cubic root of 70649338 is about 413.3989465442.

The spelling of 70649338 in words is "seventy million, six hundred forty-nine thousand, three hundred thirty-eight".