242071690 has 32 divisors (see below), whose sum is σ = 506424960. Its totient is φ = 81587904.

The previous prime is 242071673. The next prime is 242071693. The reversal of 242071690 is 96170242.

It is a super-2 number, since 2×242071690² = 117197406198912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242071693) 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, 25177 + ... + 33436.

It is an arithmetic number, because the mean of its divisors is an integer number (15825780).

Almost surely, 2^242071690 is an apocalyptic number.

242071690 is an abundant number, since it is smaller than the sum of its proper divisors (264353270).

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

242071690 is a wasteful number, since it uses less digits than its factorization.

242071690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58686.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 242071690 is about 15558.6532193503. The cubic root of 242071690 is about 623.2294980525.

The spelling of 242071690 in words is "two hundred forty-two million, seventy-one thousand, six hundred ninety".