742724927 has 4 divisors (see below), whose sum is σ = 848828496. Its totient is φ = 636621360.

The previous prime is 742724921. The next prime is 742724929. The reversal of 742724927 is 729427247.

742724927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729427247 = 5099 ⋅143053.

It is a cyclic number.

It is not a de Polignac number, because 742724927 - 2⁴ = 742724911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742724921) 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, 53051774 + ... + 53051787.

It is an arithmetic number, because the mean of its divisors is an integer number (212207124).

Almost surely, 2^742724927 is an apocalyptic number.

742724927 is a deficient number, since it is larger than the sum of its proper divisors (106103569).

742724927 is a wasteful number, since it uses less digits than its factorization.

742724927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106103568.

The product of its digits is 395136, while the sum is 44.

The square root of 742724927 is about 27252.9801489672. The cubic root of 742724927 is about 905.6130384416.

The spelling of 742724927 in words is "seven hundred forty-two million, seven hundred twenty-four thousand, nine hundred twenty-seven".