1768073172 has 48 divisors (see below), whose sum is σ = 4172636160. Its totient is φ = 582658272.

The previous prime is 1768073171. The next prime is 1768073173. The reversal of 1768073172 is 2713708671.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1768073171) and next prime (1768073173).

It is a super-2 number, since 2×1768073172² = 6252165483092283168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768073171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465979 + ... + 469757.

It is an arithmetic number, because the mean of its divisors is an integer number (86929920).

Almost surely, 2^1768073172 is an apocalyptic number.

1768073172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1768073172 is an abundant number, since it is smaller than the sum of its proper divisors (2404562988).

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

1768073172 is a wasteful number, since it uses less digits than its factorization.

1768073172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 1768073172 is about 42048.4621835329. The cubic root of 1768073172 is about 1209.2054004876.

The spelling of 1768073172 in words is "one billion, seven hundred sixty-eight million, seventy-three thousand, one hundred seventy-two".