72193395 has 16 divisors (see below), whose sum is σ = 116019360. Its totient is φ = 38333184.

The previous prime is 72193393. The next prime is 72193397. The reversal of 72193395 is 59339127.

It is an interprime number because it is at equal distance from previous prime (72193393) and next prime (72193397).

It is not a de Polignac number, because 72193395 - 2¹ = 72193393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72193393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7074 + ... + 13943.

It is an arithmetic number, because the mean of its divisors is an integer number (7251210).

Almost surely, 2^72193395 is an apocalyptic number.

72193395 is a deficient number, since it is larger than the sum of its proper divisors (43825965).

72193395 is a wasteful number, since it uses less digits than its factorization.

72193395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254.

The product of its digits is 51030, while the sum is 39.

The square root of 72193395 is about 8496.6696416890. The cubic root of 72193395 is about 416.3889110633.

The spelling of 72193395 in words is "seventy-two million, one hundred ninety-three thousand, three hundred ninety-five".