70754780 has 48 divisors (see below), whose sum is σ = 157338720. Its totient is φ = 26681088.

The previous prime is 70754779. The next prime is 70754791. The reversal of 70754780 is 8745707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23522 + ... + 26358.

It is an arithmetic number, because the mean of its divisors is an integer number (3277890).

Almost surely, 2^70754780 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 70754780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78669360).

70754780 is an abundant number, since it is smaller than the sum of its proper divisors (86583940).

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

70754780 is a wasteful number, since it uses less digits than its factorization.

70754780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 70754780 is about 8411.5860573378. The cubic root of 70754780 is about 413.6045061221.

The spelling of 70754780 in words is "seventy million, seven hundred fifty-four thousand, seven hundred eighty".