242734619 has 16 divisors (see below), whose sum is σ = 266250240. Its totient is φ = 220298880.

The previous prime is 242734589. The next prime is 242734621. The reversal of 242734619 is 916437242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242734619 is a prime.

It is a super-2 number, since 2×242734619² = 117840190522150322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242733619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188552 + ... + 189834.

It is an arithmetic number, because the mean of its divisors is an integer number (16640640).

Almost surely, 2^242734619 is an apocalyptic number.

242734619 is a deficient number, since it is larger than the sum of its proper divisors (23515621).

242734619 is a wasteful number, since it uses less digits than its factorization.

242734619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its digits is 72576, while the sum is 38.

The square root of 242734619 is about 15579.9428432841. The cubic root of 242734619 is about 623.7978976154.

The spelling of 242734619 in words is "two hundred forty-two million, seven hundred thirty-four thousand, six hundred nineteen".