787242341 has 4 divisors (see below), whose sum is σ = 833550732. Its totient is φ = 740933952.

The previous prime is 787242311. The next prime is 787242349. The reversal of 787242341 is 143242787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143242787 = 199 ⋅719813.

It can be written as a sum of positive squares in 2 ways, for example, as 631516900 + 155725441 = 25130^2 + 12479^2 .

It is a cyclic number.

It is not a de Polignac number, because 787242341 - 2⁶ = 787242277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 787242295 and 787242304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787242349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23154170 + ... + 23154203.

It is an arithmetic number, because the mean of its divisors is an integer number (208387683).

Almost surely, 2^787242341 is an apocalyptic number.

It is an amenable number.

787242341 is a deficient number, since it is larger than the sum of its proper divisors (46308391).

787242341 is a wasteful number, since it uses less digits than its factorization.

787242341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46308390.

The product of its digits is 75264, while the sum is 38.

The square root of 787242341 is about 28057.8392076083. The cubic root of 787242341 is about 923.3566501198.

The spelling of 787242341 in words is "seven hundred eighty-seven million, two hundred forty-two thousand, three hundred forty-one".