743494680 has 128 divisors (see below), whose sum is σ = 2484518400. Its totient is φ = 197769600.

The previous prime is 743494667. The next prime is 743494691. The reversal of 743494680 is 86494347.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 680935 + ... + 682025.

It is an arithmetic number, because the mean of its divisors is an integer number (19410300).

Almost surely, 2^743494680 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 743494680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242259200).

743494680 is an abundant number, since it is smaller than the sum of its proper divisors (1741023720).

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

743494680 is a wasteful number, since it uses less digits than its factorization.

743494680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 743494680 is about 27267.0988555805. The cubic root of 743494680 is about 905.9257866495.

The spelling of 743494680 in words is "seven hundred forty-three million, four hundred ninety-four thousand, six hundred eighty".