70748944 has 120 divisors (see below), whose sum is σ = 170989056. Its totient is φ = 28224000.

The previous prime is 70748941. The next prime is 70748947. The reversal of 70748944 is 44984707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70748941) and next prime (70748947).

It is a self number, because there is not a number n which added to its sum of digits gives 70748944.

It is not an unprimeable number, because it can be changed into a prime (70748941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996429 + ... + 996499.

Almost surely, 2^70748944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70748944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85494528).

70748944 is an abundant number, since it is smaller than the sum of its proper divisors (100240112).

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

70748944 is a wasteful number, since it uses less digits than its factorization.

70748944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 70748944 is about 8411.2391477118. The cubic root of 70748944 is about 413.5931341589.

The spelling of 70748944 in words is "seventy million, seven hundred forty-eight thousand, nine hundred forty-four".