3747473478 has 128 divisors (see below), whose sum is σ = 9783459840. Its totient is φ = 1041012000.

The previous prime is 3747473461. The next prime is 3747473497. The reversal of 3747473478 is 8743747473.

It is a happy number.

3747473478 is a `hidden beast` number, since 37 + 4 + 74 + 73 + 478 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4989603 + ... + 4990353.

It is an arithmetic number, because the mean of its divisors is an integer number (76433280).

Almost surely, 2^3747473478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3747473478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4891729920).

3747473478 is an abundant number, since it is smaller than the sum of its proper divisors (6035986362).

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

3747473478 is a wasteful number, since it uses less digits than its factorization.

3747473478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 54.

The square root of 3747473478 is about 61216.6111280264. The cubic root of 3747473478 is about 1553.2672638655.

It can be divided in two parts, 374747 and 3478, that added together give a square (378225 = 615²).

The spelling of 3747473478 in words is "three billion, seven hundred forty-seven million, four hundred seventy-three thousand, four hundred seventy-eight".