761269538 has 4 divisors (see below), whose sum is σ = 1141904310. Its totient is φ = 380634768.

The previous prime is 761269519. The next prime is 761269547. The reversal of 761269538 is 835962167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835962167 = 389 ⋅2149003.

It can be written as a sum of positive squares in only one way, i.e., 705274249 + 55995289 = 26557^2 + 7483^2 .

It is a junction number, because it is equal to n+sod(n) for n = 761269492 and 761269501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190317383 + ... + 190317386.

Almost surely, 2^761269538 is an apocalyptic number.

761269538 is a deficient number, since it is larger than the sum of its proper divisors (380634772).

761269538 is a wasteful number, since it uses less digits than its factorization.

761269538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380634771.

The product of its digits is 544320, while the sum is 47.

The square root of 761269538 is about 27591.1133881908. The cubic root of 761269538 is about 913.0883828467.

The spelling of 761269538 in words is "seven hundred sixty-one million, two hundred sixty-nine thousand, five hundred thirty-eight".