542437706 has 4 divisors (see below), whose sum is σ = 813656562. Its totient is φ = 271218852.

The previous prime is 542437697. The next prime is 542437711. The reversal of 542437706 is 607734245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607734245 = 5 ⋅121546849.

It can be written as a sum of positive squares in only one way, i.e., 343768681 + 198669025 = 18541^2 + 14095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 542437706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135609425 + ... + 135609428.

Almost surely, 2^542437706 is an apocalyptic number.

542437706 is a deficient number, since it is larger than the sum of its proper divisors (271218856).

542437706 is a wasteful number, since it uses less digits than its factorization.

542437706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271218855.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 542437706 is about 23290.2920977819. The cubic root of 542437706 is about 815.5488072198.

The spelling of 542437706 in words is "five hundred forty-two million, four hundred thirty-seven thousand, seven hundred six".