70744338 has 36 divisors (see below), whose sum is σ = 178306830. Its totient is φ = 20212416.

The previous prime is 70744337. The next prime is 70744403. The reversal of 70744338 is 83344707.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 1238769 = 8337^2 + 1113^2 .

It is a super-2 number, since 2×70744338² = 10009522718116488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70744337) 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 17 ways as a sum of consecutive naturals, for example, 39223 + ... + 40986.

Almost surely, 2^70744338 is an apocalyptic number.

70744338 is an abundant number, since it is smaller than the sum of its proper divisors (107562492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70744338 is a wasteful number, since it uses less digits than its factorization.

70744338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80231 (or 80221 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 70744338 is about 8410.9653429318. The cubic root of 70744338 is about 413.5841585181.

It can be divided in two parts, 7074433 and 8, that added together give a triangular number (7074441 = T₃₇₆₁).

The spelling of 70744338 in words is "seventy million, seven hundred forty-four thousand, three hundred thirty-eight".