772140770 has 8 divisors (see below), whose sum is σ = 1389853404. Its totient is φ = 308856304.

The previous prime is 772140767. The next prime is 772140779. The reversal of 772140770 is 77041277.

It can be written as a sum of positive squares in 2 ways, for example, as 740003209 + 32137561 = 27203^2 + 5669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 772140770.

It is not an unprimeable number, because it can be changed into a prime (772140779) 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, 38607029 + ... + 38607048.

Almost surely, 2^772140770 is an apocalyptic number.

772140770 is a deficient number, since it is larger than the sum of its proper divisors (617712634).

772140770 is a wasteful number, since it uses less digits than its factorization.

772140770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214084.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 772140770 is about 27787.4210750116. The cubic root of 772140770 is about 917.4142777408.

The spelling of 772140770 in words is "seven hundred seventy-two million, one hundred forty thousand, seven hundred seventy".