670543542 has 32 divisors (see below), whose sum is σ = 1491573600. Its totient is φ = 223293024.

The previous prime is 670543519. The next prime is 670543553. The reversal of 670543542 is 245345076.

670543542 is a `hidden beast` number, since 6 + 70 + 5 + 43 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 670543497 and 670543506.

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, 54288 + ... + 65484.

It is an arithmetic number, because the mean of its divisors is an integer number (46611675).

Almost surely, 2^670543542 is an apocalyptic number.

670543542 is an abundant number, since it is smaller than the sum of its proper divisors (821030058).

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

670543542 is a wasteful number, since it uses less digits than its factorization.

670543542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317 (or 12311 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 670543542 is about 25894.8555122441. The cubic root of 670543542 is about 875.2705740639.

The spelling of 670543542 in words is "six hundred seventy million, five hundred forty-three thousand, five hundred forty-two".