72214294373 has 24 divisors (see below), whose sum is σ = 84815901576. Its totient is φ = 61207910400.

The previous prime is 72214294343. The next prime is 72214294379. The reversal of 72214294373 is 37349241227.

It can be written as a sum of positive squares in 12 ways, for example, as 46542884644 + 25671409729 = 215738^2 + 160223^2 .

It is a de Polignac number, because none of the positive numbers 2^k-72214294373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72214294379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188738 + ... + 424323.

It is an arithmetic number, because the mean of its divisors is an integer number (3533995899).

Almost surely, 2^72214294373 is an apocalyptic number.

It is an amenable number.

72214294373 is a deficient number, since it is larger than the sum of its proper divisors (12601607203).

72214294373 is a wasteful number, since it uses less digits than its factorization.

72214294373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613145 (or 613132 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The spelling of 72214294373 in words is "seventy-two billion, two hundred fourteen million, two hundred ninety-four thousand, three hundred seventy-three".