70723120 has 60 divisors (see below), whose sum is σ = 178086816. Its totient is φ = 26108160.

The previous prime is 70723117. The next prime is 70723127. The reversal of 70723120 is 2132707.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70723091 and 70723100.

It is not an unprimeable number, because it can be changed into a prime (70723127) 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 11 ways as a sum of consecutive naturals, for example, 10905 + ... + 16135.

Almost surely, 2^70723120 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 70723120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89043408).

70723120 is an abundant number, since it is smaller than the sum of its proper divisors (107363696).

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

70723120 is a wasteful number, since it uses less digits than its factorization.

70723120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 70723120 is about 8409.7039186882. The cubic root of 70723120 is about 413.5428062988.

Adding to 70723120 its reverse (2132707), we get a palindrome (72855827).

The spelling of 70723120 in words is "seventy million, seven hundred twenty-three thousand, one hundred twenty".