162340747 has 4 divisors (see below), whose sum is σ = 162443376. Its totient is φ = 162238120.

The previous prime is 162340729. The next prime is 162340751. The reversal of 162340747 is 747043261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162340747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162340727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48904 + ... + 52117.

It is an arithmetic number, because the mean of its divisors is an integer number (40610844).

Almost surely, 2^162340747 is an apocalyptic number.

162340747 is a deficient number, since it is larger than the sum of its proper divisors (102629).

162340747 is a wasteful number, since it uses less digits than its factorization.

162340747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102628.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 162340747 is about 12741.3008362569. The cubic root of 162340747 is about 545.5181190691.

The spelling of 162340747 in words is "one hundred sixty-two million, three hundred forty thousand, seven hundred forty-seven".