70739328 has 64 divisors (see below), whose sum is σ = 204995520. Its totient is φ = 21434880.

The previous prime is 70739269. The next prime is 70739341. The reversal of 70739328 is 82393707.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4150 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (3203055).

Almost surely, 2^70739328 is an apocalyptic number.

It is an amenable number.

70739328 is an abundant number, since it is smaller than the sum of its proper divisors (134256192).

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

70739328 is a wasteful number, since it uses less digits than its factorization.

70739328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775 (or 16763 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 70739328 is about 8410.6675121538. The cubic root of 70739328 is about 413.5743951665.

The spelling of 70739328 in words is "seventy million, seven hundred thirty-nine thousand, three hundred twenty-eight".