168750075 has 48 divisors (see below), whose sum is σ = 318167136. Its totient is φ = 78182400.

The previous prime is 168750053. The next prime is 168750097. The reversal of 168750075 is 570057861.

It is an interprime number because it is at equal distance from previous prime (168750053) and next prime (168750097).

It is not a de Polignac number, because 168750075 - 2¹⁹ = 168225787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11485 + ... + 21665.

It is an arithmetic number, because the mean of its divisors is an integer number (6628482).

Almost surely, 2^168750075 is an apocalyptic number.

168750075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168750075 is a deficient number, since it is larger than the sum of its proper divisors (149417061).

168750075 is a wasteful number, since it uses less digits than its factorization.

168750075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224 (or 10219 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 168750075 is about 12990.3839435176. The cubic root of 168750075 is about 552.6048066634.

It can be divided in two parts, 1687500 and 75, that multiplied together give a square (126562500 = 11250²).

The spelling of 168750075 in words is "one hundred sixty-eight million, seven hundred fifty thousand, seventy-five".