1874057638 has 16 divisors (see below), whose sum is σ = 2856591360. Its totient is φ = 921915400.

The previous prime is 1874057629. The next prime is 1874057657. The reversal of 1874057638 is 8367504781.

It is a happy number.

It is a super-2 number, since 2×1874057638² = 7024184061092278088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1874057591 and 1874057600.

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, 56283 + ... + 83161.

It is an arithmetic number, because the mean of its divisors is an integer number (178536960).

Almost surely, 2^1874057638 is an apocalyptic number.

1874057638 is a deficient number, since it is larger than the sum of its proper divisors (982533722).

1874057638 is a wasteful number, since it uses less digits than its factorization.

1874057638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27443.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 1874057638 is about 43290.3873625543. The cubic root of 1874057638 is about 1232.8994190315.

The spelling of 1874057638 in words is "one billion, eight hundred seventy-four million, fifty-seven thousand, six hundred thirty-eight".