2075172345 has 32 divisors (see below), whose sum is σ = 3700909440. Its totient is φ = 1103244480.

The previous prime is 2075172329. The next prime is 2075172353. The reversal of 2075172345 is 5432715702.

It is not a de Polignac number, because 2075172345 - 2⁴ = 2075172329 is a prime.

It is a super-2 number, since 2×2075172345² = 8612680522905598050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18550 + ... + 67040.

It is an arithmetic number, because the mean of its divisors is an integer number (115653420).

Almost surely, 2^2075172345 is an apocalyptic number.

It is an amenable number.

2075172345 is a deficient number, since it is larger than the sum of its proper divisors (1625737095).

2075172345 is a wasteful number, since it uses less digits than its factorization.

2075172345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48822 (or 48816 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 2075172345 is about 45554.0595885811. The cubic root of 2075172345 is about 1275.5125136797.

It can be divided in two parts, 20751 and 72345, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 2075172345 in words is "two billion, seventy-five million, one hundred seventy-two thousand, three hundred forty-five".