375558642 has 36 divisors (see below), whose sum is σ = 842770890. Its totient is φ = 120864576.

The previous prime is 375558637. The next prime is 375558643. The reversal of 375558642 is 246855573.

375558642 is a `hidden beast` number, since 37 + 5 + 558 + 64 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 366684201 + 8874441 = 19149^2 + 2979^2 .

It is not an unprimeable number, because it can be changed into a prime (375558643) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2734 + ... + 27542.

Almost surely, 2^375558642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 375558642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421385445).

375558642 is an abundant number, since it is smaller than the sum of its proper divisors (467212248).

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

375558642 is a wasteful number, since it uses less digits than its factorization.

375558642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24875 (or 24843 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 375558642 is about 19379.3354375221. The cubic root of 375558642 is about 721.4826968993.

The spelling of 375558642 in words is "three hundred seventy-five million, five hundred fifty-eight thousand, six hundred forty-two".