70777340 has 24 divisors (see below), whose sum is σ = 153428352. Its totient is φ = 27397440.

The previous prime is 70777321. The next prime is 70777349. The reversal of 70777340 is 4377707.

It is a self number, because there is not a number n which added to its sum of digits gives 70777340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70777349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56459 + ... + 57698.

It is an arithmetic number, because the mean of its divisors is an integer number (6392848).

Almost surely, 2^70777340 is an apocalyptic number.

It is an amenable number.

70777340 is an abundant number, since it is smaller than the sum of its proper divisors (82651012).

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

70777340 is a wasteful number, since it uses less digits than its factorization.

70777340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114197 (or 114195 counting only the distinct ones).

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

The square root of 70777340 is about 8412.9269579618. The cubic root of 70777340 is about 413.6484604016.

It can be divided in two parts, 70777 and 340, that added together give a palindrome (71117).

The spelling of 70777340 in words is "seventy million, seven hundred seventy-seven thousand, three hundred forty".