742105928 has 16 divisors (see below), whose sum is σ = 1391740080. Its totient is φ = 370975248.

The previous prime is 742105927. The next prime is 742105937. The reversal of 742105928 is 829501247.

It is a junction number, because it is equal to n+sod(n) for n = 742105891 and 742105900.

It is not an unprimeable number, because it can be changed into a prime (742105921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62051 + ... + 73037.

It is an arithmetic number, because the mean of its divisors is an integer number (86983755).

Almost surely, 2^742105928 is an apocalyptic number.

It is an amenable number.

742105928 is a deficient number, since it is larger than the sum of its proper divisors (649634152).

742105928 is a wasteful number, since it uses less digits than its factorization.

742105928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19436 (or 19432 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 742105928 is about 27241.6212439715. The cubic root of 742105928 is about 905.3613843198.

The spelling of 742105928 in words is "seven hundred forty-two million, one hundred five thousand, nine hundred twenty-eight".