70726680 has 96 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 18754560.

The previous prime is 70726673. The next prime is 70726693. The reversal of 70726680 is 8662707.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 79840 + ... + 80720.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^70726680 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 70726680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

70726680 is an abundant number, since it is smaller than the sum of its proper divisors (160427880).

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

70726680 is a wasteful number, since it uses less digits than its factorization.

70726680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 70726680 is about 8409.9155762707. The cubic root of 70726680 is about 413.5497450372.

The spelling of 70726680 in words is "seventy million, seven hundred twenty-six thousand, six hundred eighty".