242071407 has 12 divisors (see below), whose sum is σ = 350101440. Its totient is φ = 161176608.

The previous prime is 242071399. The next prime is 242071429. The reversal of 242071407 is 704170242.

242071407 = T₃₃₃ + T₃₃₄ + ... + T₁₁₄₁.

It is a happy number.

It is not a de Polignac number, because 242071407 - 2³ = 242071399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242073407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9343 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (29175120).

Almost surely, 2^242071407 is an apocalyptic number.

242071407 is a deficient number, since it is larger than the sum of its proper divisors (108030033).

242071407 is a wasteful number, since it uses less digits than its factorization.

242071407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34062 (or 34059 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 242071407 is about 15558.6441247301. The cubic root of 242071407 is about 623.2292551851.

The spelling of 242071407 in words is "two hundred forty-two million, seventy-one thousand, four hundred seven".