72650552434 has 32 divisors (see below), whose sum is σ = 116248608000. Its totient is φ = 33952898304.

The previous prime is 72650552393. The next prime is 72650552441. The reversal of 72650552434 is 43425505627.

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, 4461852 + ... + 4478104.

It is an arithmetic number, because the mean of its divisors is an integer number (3632769000).

Almost surely, 2^72650552434 is an apocalyptic number.

72650552434 is a deficient number, since it is larger than the sum of its proper divisors (43598055566).

72650552434 is a wasteful number, since it uses less digits than its factorization.

72650552434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17842.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 72650552434 in words is "seventy-two billion, six hundred fifty million, five hundred fifty-two thousand, four hundred thirty-four".