70389748 has 24 divisors (see below), whose sum is σ = 144718560. Its totient is φ = 29533920.

The previous prime is 70389733. The next prime is 70389751. The reversal of 70389748 is 84798307.

It is a junction number, because it is equal to n+sod(n) for n = 70389698 and 70389707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60958 + ... + 62101.

It is an arithmetic number, because the mean of its divisors is an integer number (6029940).

Almost surely, 2^70389748 is an apocalyptic number.

It is an amenable number.

70389748 is an abundant number, since it is smaller than the sum of its proper divisors (74328812).

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

70389748 is a wasteful number, since it uses less digits than its factorization.

70389748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123087 (or 123085 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 70389748 is about 8389.8598319638. The cubic root of 70389748 is about 412.8920017706.

The spelling of 70389748 in words is "seventy million, three hundred eighty-nine thousand, seven hundred forty-eight".