381072630 has 32 divisors (see below), whose sum is σ = 916487424. Its totient is φ = 101406816.

The previous prime is 381072619. The next prime is 381072641. The reversal of 381072630 is 36270183.

It is an interprime number because it is at equal distance from previous prime (381072619) and next prime (381072641).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569 + ... + 27651.

It is an arithmetic number, because the mean of its divisors is an integer number (28640232).

Almost surely, 2^381072630 is an apocalyptic number.

381072630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381072630 is an abundant number, since it is smaller than the sum of its proper divisors (535414794).

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

381072630 is a wasteful number, since it uses less digits than its factorization.

381072630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26580.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 381072630 is about 19521.0816810954. The cubic root of 381072630 is about 724.9965152429.

The spelling of 381072630 in words is "three hundred eighty-one million, seventy-two thousand, six hundred thirty".