72194038 has 16 divisors (see below), whose sum is σ = 124107264. Its totient is φ = 30853800.

The previous prime is 72194027. The next prime is 72194051. The reversal of 72194038 is 83049127.

It is a junction number, because it is equal to n+sod(n) for n = 72193994 and 72194012.

It is a congruent number.

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, 1888 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (7756704).

Almost surely, 2^72194038 is an apocalyptic number.

72194038 is a deficient number, since it is larger than the sum of its proper divisors (51913226).

72194038 is a wasteful number, since it uses less digits than its factorization.

72194038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14427.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72194038 is about 8496.7074799595. The cubic root of 72194038 is about 416.3901472672.

The spelling of 72194038 in words is "seventy-two million, one hundred ninety-four thousand, thirty-eight".