172250070 has 32 divisors (see below), whose sum is σ = 419068512. Its totient is φ = 45303552.

The previous prime is 172250017. The next prime is 172250077. The reversal of 172250070 is 70052271.

It is a self number, because there is not a number n which added to its sum of digits gives 172250070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172250077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37137 + ... + 41516.

It is an arithmetic number, because the mean of its divisors is an integer number (13095891).

Almost surely, 2^172250070 is an apocalyptic number.

172250070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172250070 is an abundant number, since it is smaller than the sum of its proper divisors (246818442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172250070 is a wasteful number, since it uses less digits than its factorization.

172250070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78736.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 172250070 is about 13124.4074151940. The cubic root of 172250070 is about 556.3991643057.

The spelling of 172250070 in words is "one hundred seventy-two million, two hundred fifty thousand, seventy".