3451616772 has 48 divisors (see below), whose sum is σ = 8375270400. Its totient is φ = 1105027840.

The previous prime is 3451616767. The next prime is 3451616783. The reversal of 3451616772 is 2776161543.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40504 + ... + 92432.

It is an arithmetic number, because the mean of its divisors is an integer number (174484800).

Almost surely, 2^3451616772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3451616772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4187635200).

3451616772 is an abundant number, since it is smaller than the sum of its proper divisors (4923653628).

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

3451616772 is a wasteful number, since it uses less digits than its factorization.

3451616772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52156 (or 52154 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 3451616772 is about 58750.4618875460. The cubic root of 3451616772 is about 1511.2658087628.

The spelling of 3451616772 in words is "three billion, four hundred fifty-one million, six hundred sixteen thousand, seven hundred seventy-two".