2520173378 has 16 divisors (see below), whose sum is σ = 3890457024. Its totient is φ = 1223495280.

The previous prime is 2520173353. The next prime is 2520173387. The reversal of 2520173378 is 8733710252.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073 + ... + 71003.

It is an arithmetic number, because the mean of its divisors is an integer number (243153564).

Almost surely, 2^2520173378 is an apocalyptic number.

2520173378 is a deficient number, since it is larger than the sum of its proper divisors (1370283646).

2520173378 is a wasteful number, since it uses less digits than its factorization.

2520173378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70457.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2520173378 is about 50201.3284485580. The cubic root of 2520173378 is about 1360.8496309375.

The spelling of 2520173378 in words is "two billion, five hundred twenty million, one hundred seventy-three thousand, three hundred seventy-eight".