742774812 has 96 divisors (see below), whose sum is σ = 1984147200. Its totient is φ = 214244352.

The previous prime is 742774801. The next prime is 742774831. The reversal of 742774812 is 218477247.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1004739 + ... + 1005477.

It is an arithmetic number, because the mean of its divisors is an integer number (20668200).

Almost surely, 2^742774812 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 742774812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992073600).

742774812 is an abundant number, since it is smaller than the sum of its proper divisors (1241372388).

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

742774812 is a wasteful number, since it uses less digits than its factorization.

742774812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1153 counting only the distinct ones).

The product of its digits is 175616, while the sum is 42.

The square root of 742774812 is about 27253.8953546094. The cubic root of 742774812 is about 905.6333131056.

The spelling of 742774812 in words is "seven hundred forty-two million, seven hundred seventy-four thousand, eight hundred twelve".