375371638 has 16 divisors (see below), whose sum is σ = 618462720. Its totient is φ = 170076456.

The previous prime is 375371627. The next prime is 375371641. The reversal of 375371638 is 836173573.

It is a super-2 number, since 2×375371638² = 281807733229606088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 375371594 and 375371603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213870 + ... + 215617.

It is an arithmetic number, because the mean of its divisors is an integer number (38653920).

Almost surely, 2^375371638 is an apocalyptic number.

375371638 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

375371638 is a deficient number, since it is larger than the sum of its proper divisors (243091082).

375371638 is a wasteful number, since it uses less digits than its factorization.

375371638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429531.

The product of its digits is 317520, while the sum is 43.

The square root of 375371638 is about 19374.5100067073. The cubic root of 375371638 is about 721.3629263893.

The spelling of 375371638 in words is "three hundred seventy-five million, three hundred seventy-one thousand, six hundred thirty-eight".