741988638 has 24 divisors (see below), whose sum is σ = 1608764976. Its totient is φ = 247156800.

The previous prime is 741988601. The next prime is 741988657. The reversal of 741988638 is 836889147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13558 + ... + 40838.

It is an arithmetic number, because the mean of its divisors is an integer number (67031874).

Almost surely, 2^741988638 is an apocalyptic number.

741988638 is an abundant number, since it is smaller than the sum of its proper divisors (866776338).

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

741988638 is a wasteful number, since it uses less digits than its factorization.

741988638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28800 (or 28797 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 741988638 is about 27239.4683868830. The cubic root of 741988638 is about 905.3136842868.

The spelling of 741988638 in words is "seven hundred forty-one million, nine hundred eighty-eight thousand, six hundred thirty-eight".