72542429590 has 32 divisors (see below), whose sum is σ = 138024000000. Its totient is φ = 27374725728.

The previous prime is 72542429573. The next prime is 72542429629. The reversal of 72542429590 is 9592424527.

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 15 ways as a sum of consecutive naturals, for example, 753340 + ... + 844159.

It is an arithmetic number, because the mean of its divisors is an integer number (4313250000).

Almost surely, 2^72542429590 is an apocalyptic number.

72542429590 is a deficient number, since it is larger than the sum of its proper divisors (65481570410).

72542429590 is a wasteful number, since it uses less digits than its factorization.

72542429590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597764.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 72542429590 in words is "seventy-two billion, five hundred forty-two million, four hundred twenty-nine thousand, five hundred ninety".