742455552 has 288 divisors, whose sum is σ = 2286990720. Its totient is φ = 212336640.

The previous prime is 742455551. The next prime is 742455563. The reversal of 742455552 is 255554247.

It is a self number, because there is not a number n which added to its sum of digits gives 742455552.

It is not an unprimeable number, because it can be changed into a prime (742455551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10170588 + ... + 10170660.

It is an arithmetic number, because the mean of its divisors is an integer number (7940940).

Almost surely, 2^742455552 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 742455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143495360).

742455552 is an abundant number, since it is smaller than the sum of its proper divisors (1544535168).

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

742455552 is a wasteful number, since it uses less digits than its factorization.

742455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its digits is 280000, while the sum is 39.

The square root of 742455552 is about 27248.0375807140. The cubic root of 742455552 is about 905.5035411918.

It can be divided in two parts, 74245 and 5552, that added together give a palindrome (79797).

The spelling of 742455552 in words is "seven hundred forty-two million, four hundred fifty-five thousand, five hundred fifty-two".