75064679981542 has 4 divisors (see below), whose sum is σ = 112597019972316. Its totient is φ = 37532339990770.

The previous prime is 75064679981527. The next prime is 75064679981579. The reversal of 75064679981542 is 24518997646057.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 18766169995384 + ... + 18766169995387.

It is an arithmetic number, because the mean of its divisors is an integer number (28149254993079).

Almost surely, 2^{75064679981542} is an apocalyptic number.

75064679981542 is a deficient number, since it is larger than the sum of its proper divisors (37532339990774).

75064679981542 is a wasteful number, since it uses less digits than its factorization.

75064679981542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37532339990773.

The product of its (nonzero) digits is 914457600, while the sum is 73.

The spelling of 75064679981542 in words is "seventy-five trillion, sixty-four billion, six hundred seventy-nine million, nine hundred eighty-one thousand, five hundred forty-two".