77070336 has 120 divisors (see below), whose sum is σ = 239075100. Its totient is φ = 22020096.

The previous prime is 77070317. The next prime is 77070337. The reversal of 77070336 is 63307077.

It is a junction number, because it is equal to n+sod(n) for n = 77070297 and 77070306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77070337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11010045 + ... + 11010051.

Almost surely, 2^77070336 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 77070336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119537550).

77070336 is an abundant number, since it is smaller than the sum of its proper divisors (162004764).

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

77070336 is an frugal number, since it uses more digits than its factorization.

77070336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 33.

The square root of 77070336 is about 8778.9712381349. The cubic root of 77070336 is about 425.5615847137.

The spelling of 77070336 in words is "seventy-seven million, seventy thousand, three hundred thirty-six".