375720073 has 4 divisors (see below), whose sum is σ = 375866260. Its totient is φ = 375573888.

The previous prime is 375720067. The next prime is 375720097. The reversal of 375720073 is 370027573.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370027573 = 19051 ⋅19423.

It can be written as a sum of positive squares in 2 ways, for example, as 226562704 + 149157369 = 15052^2 + 12213^2 .

It is a cyclic number.

It is not a de Polignac number, because 375720073 - 2¹³ = 375711881 is a prime.

It is the 19384-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375720473) by changing a digit.

It is a nontrivial repunit in base 19383.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69168 + ... + 74401.

It is an arithmetic number, because the mean of its divisors is an integer number (93966565).

Almost surely, 2^375720073 is an apocalyptic number.

It is an amenable number.

375720073 is a deficient number, since it is larger than the sum of its proper divisors (146187).

375720073 is a wasteful number, since it uses less digits than its factorization.

375720073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146186.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 375720073 is about 19383.5000193464. The cubic root of 375720073 is about 721.5860566913.

The spelling of 375720073 in words is "three hundred seventy-five million, seven hundred twenty thousand, seventy-three".