70786340 has 12 divisors (see below), whose sum is σ = 148651356. Its totient is φ = 28314528.

The previous prime is 70786337. The next prime is 70786349. The reversal of 70786340 is 4368707.

It can be written as a sum of positive squares in 2 ways, for example, as 55591936 + 15194404 = 7456^2 + 3898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70786340.

It is not an unprimeable number, because it can be changed into a prime (70786349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769639 + ... + 1769678.

It is an arithmetic number, because the mean of its divisors is an integer number (12387613).

Almost surely, 2^70786340 is an apocalyptic number.

It is an amenable number.

70786340 is an abundant number, since it is smaller than the sum of its proper divisors (77865016).

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

70786340 is a wasteful number, since it uses less digits than its factorization.

70786340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539326 (or 3539324 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70786340 is about 8413.4618320879. The cubic root of 70786340 is about 413.6659927472.

The spelling of 70786340 in words is "seventy million, seven hundred eighty-six thousand, three hundred forty".