70364638 has 8 divisors (see below), whose sum is σ = 111102120. Its totient is φ = 33330600.

The previous prime is 70364617. The next prime is 70364647. The reversal of 70364638 is 83646307.

It is a happy number.

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 = 70364597 and 70364606.

It is a congruent number.

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, 925813 + ... + 925888.

It is an arithmetic number, because the mean of its divisors is an integer number (13887765).

Almost surely, 2^70364638 is an apocalyptic number.

70364638 is a deficient number, since it is larger than the sum of its proper divisors (40737482).

70364638 is a wasteful number, since it uses less digits than its factorization.

70364638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851722.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 70364638 is about 8388.3632491685. The cubic root of 70364638 is about 412.8428992070.

It can be divided in two parts, 703 and 64638, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 70364638 in words is "seventy million, three hundred sixty-four thousand, six hundred thirty-eight".