772425192 has 256 divisors, whose sum is σ = 2662502400. Its totient is φ = 180449280.

The previous prime is 772425167. The next prime is 772425197. The reversal of 772425192 is 291524277.

It is a self number, because there is not a number n which added to its sum of digits gives 772425192.

It is not an unprimeable number, because it can be changed into a prime (772425197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722034 + ... + 723102.

It is an arithmetic number, because the mean of its divisors is an integer number (10400400).

Almost surely, 2^772425192 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 772425192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331251200).

772425192 is an abundant number, since it is smaller than the sum of its proper divisors (1890077208).

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

772425192 is a wasteful number, since it uses less digits than its factorization.

772425192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1132 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 772425192 is about 27792.5384231092. The cubic root of 772425192 is about 917.5269086590.

The spelling of 772425192 in words is "seven hundred seventy-two million, four hundred twenty-five thousand, one hundred ninety-two".