70723772 has 48 divisors (see below), whose sum is σ = 148592640. Its totient is φ = 28814400.

The previous prime is 70723771. The next prime is 70723789. The reversal of 70723772 is 27732707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70723771) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50522 + ... + 51902.

It is an arithmetic number, because the mean of its divisors is an integer number (3095680).

Almost surely, 2^70723772 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 70723772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74296320).

70723772 is an abundant number, since it is smaller than the sum of its proper divisors (77868868).

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

70723772 is a wasteful number, since it uses less digits than its factorization.

70723772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 70723772 is about 8409.7426833406. The cubic root of 70723772 is about 413.5440771189.

The spelling of 70723772 in words is "seventy million, seven hundred twenty-three thousand, seven hundred seventy-two".