542970 has 32 divisors (see below), whose sum is σ = 1448640. Its totient is φ = 144720.

The previous prime is 542951. The next prime is 542981. The reversal of 542970 is 79245.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 736 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (45270).

2⁵⁴²⁹⁷⁰ is an apocalyptic number.

542970 is an abundant number, since it is smaller than the sum of its proper divisors (905670).

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

542970 is a wasteful number, since it uses less digits than its factorization.

542970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 542970 is about 736.8649808479. The cubic root of 542970 is about 81.5815485962.

Adding to 542970 its product of nonzero digits (2520), we get a triangular number (545490 = T₁₀₄₄).

The spelling of 542970 in words is "five hundred forty-two thousand, nine hundred seventy".