3744643770 has 320 divisors, whose sum is σ = 11913834240. Its totient is φ = 826371072.

The previous prime is 3744643769. The next prime is 3744643813. The reversal of 3744643770 is 773464473.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 34354476 + ... + 34354584.

It is an arithmetic number, because the mean of its divisors is an integer number (37230732).

Almost surely, 2^3744643770 is an apocalyptic number.

3744643770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3744643770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5956917120).

3744643770 is an abundant number, since it is smaller than the sum of its proper divisors (8169190470).

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

3744643770 is a wasteful number, since it uses less digits than its factorization.

3744643770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The square root of 3744643770 is about 61193.4945071778. The cubic root of 3744643770 is about 1552.8762093249.

The spelling of 3744643770 in words is "three billion, seven hundred forty-four million, six hundred forty-three thousand, seven hundred seventy".