742542047 has 8 divisors (see below), whose sum is σ = 804958560. Its totient is φ = 680882400.

The previous prime is 742542043. The next prime is 742542067. The reversal of 742542047 is 740245247.

742542047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742542047 - 2² = 742542043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742541998 and 742542016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742542043) 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, 187172 + ... + 191097.

It is an arithmetic number, because the mean of its divisors is an integer number (100619820).

Almost surely, 2^742542047 is an apocalyptic number.

742542047 is a deficient number, since it is larger than the sum of its proper divisors (62416513).

742542047 is a wasteful number, since it uses less digits than its factorization.

742542047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378433.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 742542047 is about 27249.6247130121. The cubic root of 742542047 is about 905.5387031116.

The spelling of 742542047 in words is "seven hundred forty-two million, five hundred forty-two thousand, forty-seven".