72193070 has 8 divisors (see below), whose sum is σ = 129947544. Its totient is φ = 28877224.

The previous prime is 72192979. The next prime is 72193097. The reversal of 72193070 is 7039127.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3609644 + ... + 3609663.

It is an arithmetic number, because the mean of its divisors is an integer number (16243443).

Almost surely, 2^72193070 is an apocalyptic number.

72193070 is a deficient number, since it is larger than the sum of its proper divisors (57754474).

72193070 is a wasteful number, since it uses less digits than its factorization.

72193070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219314.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 72193070 is about 8496.6505165271. The cubic root of 72193070 is about 416.3882862296.

The spelling of 72193070 in words is "seventy-two million, one hundred ninety-three thousand, seventy".