742300623 has 48 divisors (see below), whose sum is σ = 1129355136. Its totient is φ = 469368000.

The previous prime is 742300609. The next prime is 742300639. The reversal of 742300623 is 326003247.

742300623 is a `hidden beast` number, since 7 + 4 + 2 + 30 + 0 + 623 = 666.

It is not a de Polignac number, because 742300623 - 2¹³ = 742292431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742300123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2957248 + ... + 2957498.

It is an arithmetic number, because the mean of its divisors is an integer number (23528232).

Almost surely, 2^742300623 is an apocalyptic number.

742300623 is a deficient number, since it is larger than the sum of its proper divisors (387054513).

742300623 is a wasteful number, since it uses less digits than its factorization.

742300623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 742300623 is about 27245.1944937084. The cubic root of 742300623 is about 905.4405526772.

The spelling of 742300623 in words is "seven hundred forty-two million, three hundred thousand, six hundred twenty-three".