3944738070 has 192 divisors, whose sum is σ = 13091420160. Its totient is φ = 832249728.

The previous prime is 3944738069. The next prime is 3944738081. The reversal of 3944738070 is 708374493.

It is a happy number.

3944738070 is a `hidden beast` number, since 39 + 4 + 473 + 80 + 70 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 212211 + ... + 230049.

It is an arithmetic number, because the mean of its divisors is an integer number (68184480).

Almost surely, 2^3944738070 is an apocalyptic number.

3944738070 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 3944738070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6545710080).

3944738070 is an abundant number, since it is smaller than the sum of its proper divisors (9146682090).

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

3944738070 is a wasteful number, since it uses less digits than its factorization.

3944738070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881 (or 17869 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3944738070 is about 62807.1498318464. The cubic root of 3944738070 is about 1580.0568892084.

The spelling of 3944738070 in words is "three billion, nine hundred forty-four million, seven hundred thirty-eight thousand, seventy".