72193001 has 8 divisors (see below), whose sum is σ = 74263200. Its totient is φ = 70140672.

The previous prime is 72192979. The next prime is 72193097. The reversal of 72193001 is 10039127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72193001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72193201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (9282900).

Almost surely, 2^72193001 is an apocalyptic number.

It is an amenable number.

72193001 is a deficient number, since it is larger than the sum of its proper divisors (2070199).

72193001 is a wasteful number, since it uses less digits than its factorization.

72193001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 72193001 is about 8496.6464561025. The cubic root of 72193001 is about 416.3881535724.

The spelling of 72193001 in words is "seventy-two million, one hundred ninety-three thousand, one".