742686532758 has 48 divisors (see below), whose sum is σ = 1696126798080. Its totient is φ = 234216852912.

The previous prime is 742686532747. The next prime is 742686532793. The reversal of 742686532758 is 857235686247.

742686532758 is a `hidden beast` number, since 7 + 4 + 26 + 8 + 6 + 532 + 75 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 742686532695 and 742686532704.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1207266 + ... + 1715477.

It is an arithmetic number, because the mean of its divisors is an integer number (35335974960).

Almost surely, 2^742686532758 is an apocalyptic number.

742686532758 is an abundant number, since it is smaller than the sum of its proper divisors (953440265322).

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

742686532758 is a wasteful number, since it uses less digits than its factorization.

742686532758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923513 (or 2923510 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 742686532758 in words is "seven hundred forty-two billion, six hundred eighty-six million, five hundred thirty-two thousand, seven hundred fifty-eight".