263007742 has 4 divisors (see below), whose sum is σ = 394511616. Its totient is φ = 131503870.

The previous prime is 263007733. The next prime is 263007749. The reversal of 263007742 is 247700362.

It is a happy number.

263007742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263007749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65751934 + ... + 65751937.

It is an arithmetic number, because the mean of its divisors is an integer number (98627904).

Almost surely, 2^263007742 is an apocalyptic number.

263007742 is a deficient number, since it is larger than the sum of its proper divisors (131503874).

263007742 is a wasteful number, since it uses less digits than its factorization.

263007742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131503873.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 263007742 is about 16217.5134345559. The cubic root of 263007742 is about 640.7021444342.

The spelling of 263007742 in words is "two hundred sixty-three million, seven thousand, seven hundred forty-two".