761919842 has 16 divisors (see below), whose sum is σ = 1191326400. Its totient is φ = 365011920.

The previous prime is 761919841. The next prime is 761919911. The reversal of 761919842 is 248919167.

It is a super-3 number, since 3×761919842³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (761919841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42542 + ... + 57737.

It is an arithmetic number, because the mean of its divisors is an integer number (74457900).

Almost surely, 2^761919842 is an apocalyptic number.

761919842 is a deficient number, since it is larger than the sum of its proper divisors (429406558).

761919842 is a wasteful number, since it uses less digits than its factorization.

761919842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100441.

The product of its digits is 217728, while the sum is 47.

The square root of 761919842 is about 27602.8955365194. The cubic root of 761919842 is about 913.3483065666.

The spelling of 761919842 in words is "seven hundred sixty-one million, nine hundred nineteen thousand, eight hundred forty-two".