381707370 has 64 divisors (see below), whose sum is σ = 1110430080. Its totient is φ = 92534400.

The previous prime is 381707363. The next prime is 381707377. The reversal of 381707370 is 73707183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (381707363) and next prime (381707377).

It is not an unprimeable number, because it can be changed into a prime (381707377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61291 + ... + 67230.

It is an arithmetic number, because the mean of its divisors is an integer number (17350470).

Almost surely, 2^381707370 is an apocalyptic number.

381707370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381707370 is an abundant number, since it is smaller than the sum of its proper divisors (728722710).

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

381707370 is a wasteful number, since it uses less digits than its factorization.

381707370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128548 (or 128542 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 381707370 is about 19537.3327248117. The cubic root of 381707370 is about 725.3988261442.

The spelling of 381707370 in words is "three hundred eighty-one million, seven hundred seven thousand, three hundred seventy".