742634684 has 24 divisors (see below), whose sum is σ = 1492377600. Its totient is φ = 319794480.

The previous prime is 742634587. The next prime is 742634687. The reversal of 742634684 is 486436247.

742634684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742634687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443324 + ... + 444995.

It is an arithmetic number, because the mean of its divisors is an integer number (62182400).

Almost surely, 2^742634684 is an apocalyptic number.

It is an amenable number.

742634684 is an abundant number, since it is smaller than the sum of its proper divisors (749742916).

742634684 is a wasteful number, since it uses less digits than its factorization.

742634684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888353 (or 888351 counting only the distinct ones).

The product of its digits is 774144, while the sum is 44.

The square root of 742634684 is about 27251.3244448779. The cubic root of 742634684 is about 905.5763588470.

The spelling of 742634684 in words is "seven hundred forty-two million, six hundred thirty-four thousand, six hundred eighty-four".