743241642 has 64 divisors (see below), whose sum is σ = 1822334976. Its totient is φ = 198855360.

The previous prime is 743241641. The next prime is 743241643. The reversal of 743241642 is 246142347.

It is an interprime number because it is at equal distance from previous prime (743241641) and next prime (743241643).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (743241641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903 + ... + 38565.

It is an arithmetic number, because the mean of its divisors is an integer number (28473984).

Almost surely, 2^743241642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743241642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911167488).

743241642 is an abundant number, since it is smaller than the sum of its proper divisors (1079093334).

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

743241642 is a wasteful number, since it uses less digits than its factorization.

743241642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37715.

The product of its digits is 32256, while the sum is 33.

The square root of 743241642 is about 27262.4584731458. The cubic root of 743241642 is about 905.8230019375.

Adding to 743241642 its reverse (246142347), we get a palindrome (989383989).

The spelling of 743241642 in words is "seven hundred forty-three million, two hundred forty-one thousand, six hundred forty-two".