3740478 has 64 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 991872.

The previous prime is 3740461. The next prime is 3740483. The reversal of 3740478 is 8740473.

It is a happy number.

3740478 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45025 + ... + 45107.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

Almost surely, 2^3740478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3740478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

3740478 is an abundant number, since it is smaller than the sum of its proper divisors (5452482).

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

3740478 is a wasteful number, since it uses less digits than its factorization.

3740478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3740478 is about 1934.0315405908. The cubic root of 3740478 is about 155.2300157608.

The spelling of 3740478 in words is "three million, seven hundred forty thousand, four hundred seventy-eight".