70332738 has 48 divisors (see below), whose sum is σ = 168931584. Its totient is φ = 19444320.

The previous prime is 70332733. The next prime is 70332739. The reversal of 70332738 is 83723307.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70332699 and 70332708.

It is not an unprimeable number, because it can be changed into a prime (70332733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5256 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (3519408).

Almost surely, 2^70332738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70332738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84465792).

70332738 is an abundant number, since it is smaller than the sum of its proper divisors (98598846).

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

70332738 is a wasteful number, since it uses less digits than its factorization.

70332738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 70332738 is about 8386.4615899675. The cubic root of 70332738 is about 412.7805019597.

The spelling of 70332738 in words is "seventy million, three hundred thirty-two thousand, seven hundred thirty-eight".