72303767437642 has 48 divisors (see below), whose sum is σ = 118382982727680. Its totient is φ = 33103139299776.

The previous prime is 72303767437637. The next prime is 72303767437687. The reversal of 72303767437642 is 24673476730327.

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, 287865003 + ... + 288116065.

It is an arithmetic number, because the mean of its divisors is an integer number (2466312140160).

Almost surely, 2^{72303767437642} is an apocalyptic number.

72303767437642 is a deficient number, since it is larger than the sum of its proper divisors (46079215290038).

72303767437642 is a wasteful number, since it uses less digits than its factorization.

72303767437642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257927 (or 257914 counting only the distinct ones).

The product of its (nonzero) digits is 149361408, while the sum is 61.

The spelling of 72303767437642 in words is "seventy-two trillion, three hundred three billion, seven hundred sixty-seven million, four hundred thirty-seven thousand, six hundred forty-two".