72041390627578 has 16 divisors (see below), whose sum is σ = 108153531463680. Its totient is φ = 35990217098496.

The previous prime is 72041390627551. The next prime is 72041390627587. The reversal of 72041390627578 is 87572609314027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39219226 + ... + 41015002.

It is an arithmetic number, because the mean of its divisors is an integer number (6759595716480).

It is a 1-persistent number, because it is pandigital, but 2⋅72041390627578 = 144082781255156 is not.

Almost surely, 2^{72041390627578} is an apocalyptic number.

72041390627578 is a deficient number, since it is larger than the sum of its proper divisors (36112140836102).

72041390627578 is a wasteful number, since it uses less digits than its factorization.

72041390627578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812741.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 72041390627578 in words is "seventy-two trillion, forty-one billion, three hundred ninety million, six hundred twenty-seven thousand, five hundred seventy-eight".