3749420478 has 16 divisors (see below), whose sum is σ = 7525915920. Its totient is φ = 1245294336.

The previous prime is 3749420473. The next prime is 3749420489. The reversal of 3749420478 is 8740249473.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749420471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126323 + ... + 1129646.

It is an arithmetic number, because the mean of its divisors is an integer number (470369745).

Almost surely, 2^3749420478 is an apocalyptic number.

3749420478 is an abundant number, since it is smaller than the sum of its proper divisors (3776495442).

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

3749420478 is a wasteful number, since it uses less digits than its factorization.

3749420478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256251.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 3749420478 is about 61232.5116094383. The cubic root of 3749420478 is about 1553.5362173163.

The spelling of 3749420478 in words is "three billion, seven hundred forty-nine million, four hundred twenty thousand, four hundred seventy-eight".