270045742 has 4 divisors (see below), whose sum is σ = 405068616. Its totient is φ = 135022870.

The previous prime is 270045739. The next prime is 270045749. The reversal of 270045742 is 247540072.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270045749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67511434 + ... + 67511437.

It is an arithmetic number, because the mean of its divisors is an integer number (101267154).

Almost surely, 2^270045742 is an apocalyptic number.

270045742 is a deficient number, since it is larger than the sum of its proper divisors (135022874).

270045742 is a wasteful number, since it uses less digits than its factorization.

270045742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135022873.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 270045742 is about 16433.0685509432. The cubic root of 270045742 is about 646.3669042640.

The spelling of 270045742 in words is "two hundred seventy million, forty-five thousand, seven hundred forty-two".