72462651745 has 64 divisors (see below), whose sum is σ = 99532154880. Its totient is φ = 50164531200.

The previous prime is 72462651743. The next prime is 72462651749. The reversal of 72462651745 is 54715626427.

It is not a de Polignac number, because 72462651745 - 2¹ = 72462651743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72462651743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71815801 + ... + 71816809.

It is an arithmetic number, because the mean of its divisors is an integer number (1555189920).

Almost surely, 2^72462651745 is an apocalyptic number.

It is an amenable number.

72462651745 is a deficient number, since it is larger than the sum of its proper divisors (27069503135).

72462651745 is a wasteful number, since it uses less digits than its factorization.

72462651745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its digits is 2822400, while the sum is 49.

The spelling of 72462651745 in words is "seventy-two billion, four hundred sixty-two million, six hundred fifty-one thousand, seven hundred forty-five".