202742934 has 16 divisors (see below), whose sum is σ = 409423872. Its totient is φ = 66924648.

The previous prime is 202742929. The next prime is 202742951. The reversal of 202742934 is 439247202.

It is a super-2 number, since 2×202742934² = 82209394573856712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202742895 and 202742904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163414 + ... + 164649.

It is an arithmetic number, because the mean of its divisors is an integer number (25588992).

Almost surely, 2^202742934 is an apocalyptic number.

202742934 is an abundant number, since it is smaller than the sum of its proper divisors (206680938).

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

202742934 is a wasteful number, since it uses less digits than its factorization.

202742934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328171.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 202742934 is about 14238.7827429173. The cubic root of 202742934 is about 587.4648805927.

The spelling of 202742934 in words is "two hundred two million, seven hundred forty-two thousand, nine hundred thirty-four".