3745394403 has 16 divisors (see below), whose sum is σ = 5192025216. Its totient is φ = 2399664960.

The previous prime is 3745394381. The next prime is 3745394417. The reversal of 3745394403 is 3044935473.

It is a happy number.

It is not a de Polignac number, because 3745394403 - 2⁹ = 3745393891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3745394803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219001 + ... + 235482.

It is an arithmetic number, because the mean of its divisors is an integer number (324501576).

Almost surely, 2^3745394403 is an apocalyptic number.

3745394403 is a deficient number, since it is larger than the sum of its proper divisors (1446630813).

3745394403 is a wasteful number, since it uses less digits than its factorization.

3745394403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454594.

The product of its (nonzero) digits is 544320, while the sum is 42.

The square root of 3745394403 is about 61199.6274743564. The cubic root of 3745394403 is about 1552.9799630526.

The spelling of 3745394403 in words is "three billion, seven hundred forty-five million, three hundred ninety-four thousand, four hundred three".