772430190 has 128 divisors (see below), whose sum is σ = 2280711168. Its totient is φ = 163399680.

The previous prime is 772430189. The next prime is 772430209. The reversal of 772430190 is 91034277.

772430190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×772430190² = 1193296796846872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215997 + ... + 219543.

It is an arithmetic number, because the mean of its divisors is an integer number (17818056).

Almost surely, 2^772430190 is an apocalyptic number.

772430190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 772430190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140355584).

772430190 is an abundant number, since it is smaller than the sum of its proper divisors (1508280978).

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

772430190 is a wasteful number, since it uses less digits than its factorization.

772430190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 772430190 is about 27792.6283391838. The cubic root of 772430190 is about 917.5288876164.

The spelling of 772430190 in words is "seven hundred seventy-two million, four hundred thirty thousand, one hundred ninety".