742105307457542 has 16 divisors (see below), whose sum is σ = 1272181705097472. Its totient is φ = 318044837260680.

The previous prime is 742105307457463. The next prime is 742105307457551. The reversal of 742105307457542 is 245754703501247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8522768 + ... + 39456915.

It is an arithmetic number, because the mean of its divisors is an integer number (79511356568592).

Almost surely, 2^{742105307457542} is an apocalyptic number.

742105307457542 is a deficient number, since it is larger than the sum of its proper divisors (530076397639930).

742105307457542 is a wasteful number, since it uses less digits than its factorization.

742105307457542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49084483.

The product of its (nonzero) digits is 32928000, while the sum is 56.

The spelling of 742105307457542 in words is "seven hundred forty-two trillion, one hundred five billion, three hundred seven million, four hundred fifty-seven thousand, five hundred forty-two".