172396995 has 8 divisors (see below), whose sum is σ = 275835216. Its totient is φ = 91945056.

The previous prime is 172396993. The next prime is 172397021. The reversal of 172396995 is 599693271.

It is a happy number.

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

It is not a de Polignac number, because 172396995 - 2¹ = 172396993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172396993) 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, 5746552 + ... + 5746581.

It is an arithmetic number, because the mean of its divisors is an integer number (34479402).

Almost surely, 2^172396995 is an apocalyptic number.

172396995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172396995 is a deficient number, since it is larger than the sum of its proper divisors (103438221).

172396995 is a wasteful number, since it uses less digits than its factorization.

172396995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493141.

The product of its digits is 918540, while the sum is 51.

The square root of 172396995 is about 13130.0036176690. The cubic root of 172396995 is about 556.5573175359.

The spelling of 172396995 in words is "one hundred seventy-two million, three hundred ninety-six thousand, nine hundred ninety-five".