70644338 has 8 divisors (see below), whose sum is σ = 106178688. Its totient is φ = 35251444.

The previous prime is 70644311. The next prime is 70644347. The reversal of 70644338 is 83344607.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70644298 and 70644307.

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, 34106 + ... + 36117.

It is an arithmetic number, because the mean of its divisors is an integer number (13272336).

Almost surely, 2^70644338 is an apocalyptic number.

70644338 is a deficient number, since it is larger than the sum of its proper divisors (35534350).

70644338 is a wasteful number, since it uses less digits than its factorization.

70644338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70728.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 70644338 is about 8405.0186198485. The cubic root of 70644338 is about 413.3891939476.

The spelling of 70644338 in words is "seventy million, six hundred forty-four thousand, three hundred thirty-eight".