3973451072 has 56 divisors (see below), whose sum is σ = 8374175784. Its totient is φ = 1864138752.

The previous prime is 3973451063. The next prime is 3973451107. The reversal of 3973451072 is 2701543793.

It can be written as a sum of positive squares in 4 ways, for example, as 278756416 + 3694694656 = 16696^2 + 60784^2 .

It is a congruent 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, 361238 + ... + 372074.

Almost surely, 2^3973451072 is an apocalyptic number.

3973451072 is a gapful number since it is divisible by the number (32) 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 3973451072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4187087892).

3973451072 is an abundant number, since it is smaller than the sum of its proper divisors (4400724712).

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

3973451072 is a wasteful number, since it uses less digits than its factorization.

3973451072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203 (or 11193 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 3973451072 is about 63035.3160696446. The cubic root of 3973451072 is about 1583.8812702219.

The spelling of 3973451072 in words is "three billion, nine hundred seventy-three million, four hundred fifty-one thousand, seventy-two".