746422128 has 240 divisors, whose sum is σ = 2398346496. Its totient is φ = 223534080.

The previous prime is 746422109. The next prime is 746422129. The reversal of 746422128 is 821224647.

746422128 is a `hidden beast` number, since 7 + 4 + 642 + 2 + 1 + 2 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 746422092 and 746422101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746422129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519963 + ... + 1520453.

Almost surely, 2^746422128 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 746422128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199173248).

746422128 is an abundant number, since it is smaller than the sum of its proper divisors (1651924368).

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

746422128 is a wasteful number, since it uses less digits than its factorization.

746422128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 536 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 746422128 is about 27320.7270767086. The cubic root of 746422128 is about 907.1132318123.

It can be divided in two parts, 7464 and 22128, that added together give a palindrome (29592).

The spelling of 746422128 in words is "seven hundred forty-six million, four hundred twenty-two thousand, one hundred twenty-eight".