3728407076 has 18 divisors (see below), whose sum is σ = 6741983430. Its totient is φ = 1804066080.

The previous prime is 3728407049. The next prime is 3728407079. The reversal of 3728407076 is 6707048273.

It can be written as a sum of positive squares in only one way, i.e., 2943062500 + 785344576 = 54250^2 + 28024^2 .

It is not an unprimeable number, because it can be changed into a prime (3728407079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 481121 + ... + 488808.

It is an arithmetic number, because the mean of its divisors is an integer number (374554635).

Almost surely, 2^3728407076 is an apocalyptic number.

It is an amenable number.

3728407076 is a deficient number, since it is larger than the sum of its proper divisors (3013576354).

3728407076 is a wasteful number, since it uses less digits than its factorization.

3728407076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969995 (or 969962 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 3728407076 is about 61060.6835533308. The cubic root of 3728407076 is about 1550.6285450824.

The spelling of 3728407076 in words is "three billion, seven hundred twenty-eight million, four hundred seven thousand, seventy-six".