2517345072 has 120 divisors (see below), whose sum is σ = 7811822928. Its totient is φ = 750297600.

The previous prime is 2517345041. The next prime is 2517345079. The reversal of 2517345072 is 2705437152.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2517345079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83598 + ... + 109650.

Almost surely, 2^2517345072 is an apocalyptic number.

2517345072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2517345072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3905911464).

2517345072 is an abundant number, since it is smaller than the sum of its proper divisors (5294477856).

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

2517345072 is a wasteful number, since it uses less digits than its factorization.

2517345072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26139 (or 26130 counting only the distinct ones).

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

The square root of 2517345072 is about 50173.1509076319. The cubic root of 2517345072 is about 1360.3403617554.

The spelling of 2517345072 in words is "two billion, five hundred seventeen million, three hundred forty-five thousand, seventy-two".