742622532 has 24 divisors (see below), whose sum is σ = 1733239872. Its totient is φ = 247476000.

The previous prime is 742622519. The next prime is 742622533. The reversal of 742622532 is 235226247.

It is a junction number, because it is equal to n+sod(n) for n = 742622493 and 742622502.

It is not an unprimeable number, because it can be changed into a prime (742622533) 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 7 ways as a sum of consecutive naturals, for example, 68782 + ... + 78842.

It is an arithmetic number, because the mean of its divisors is an integer number (72218328).

Almost surely, 2^742622532 is an apocalyptic number.

It is an amenable number.

742622532 is an abundant number, since it is smaller than the sum of its proper divisors (990617340).

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

742622532 is a wasteful number, since it uses less digits than its factorization.

742622532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16219 (or 16217 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 742622532 is about 27251.1014823254. The cubic root of 742622532 is about 905.5714193955.

Adding to 742622532 its reverse (235226247), we get a palindrome (977848779).

The spelling of 742622532 in words is "seven hundred forty-two million, six hundred twenty-two thousand, five hundred thirty-two".