707772420 has 72 divisors (see below), whose sum is σ = 2259915840. Its totient is φ = 178804800.

The previous prime is 707772419. The next prime is 707772421. The reversal of 707772420 is 24277707.

It is an interprime number because it is at equal distance from previous prime (707772419) and next prime (707772421).

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

It is not an unprimeable number, because it can be changed into a prime (707772421) by changing a digit.

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, 100056 + ... + 106895.

It is an arithmetic number, because the mean of its divisors is an integer number (31387720).

Almost surely, 2^707772420 is an apocalyptic number.

It is an amenable number.

707772420 is an abundant number, since it is smaller than the sum of its proper divisors (1552143420).

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

707772420 is a wasteful number, since it uses less digits than its factorization.

707772420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206985 (or 206980 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 707772420 is about 26603.9925575091. The cubic root of 707772420 is about 891.1781812515.

It can be divided in two parts, 7077 and 72420, that added together give a palindrome (79497).

The spelling of 707772420 in words is "seven hundred seven million, seven hundred seventy-two thousand, four hundred twenty".