762972242 has 4 divisors (see below), whose sum is σ = 1144458366. Its totient is φ = 381486120.

The previous prime is 762972233. The next prime is 762972277. The reversal of 762972242 is 242279267.

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

It can be written as a sum of positive squares in only one way, i.e., 446096641 + 316875601 = 21121^2 + 17801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 762972242.

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 as a sum of consecutive naturals, namely, 190743059 + ... + 190743062.

Almost surely, 2^762972242 is an apocalyptic number.

762972242 is a deficient number, since it is larger than the sum of its proper divisors (381486124).

762972242 is a wasteful number, since it uses less digits than its factorization.

762972242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381486123.

The product of its digits is 169344, while the sum is 41.

The square root of 762972242 is about 27621.9521757605. The cubic root of 762972242 is about 913.7686331718.

The spelling of 762972242 in words is "seven hundred sixty-two million, nine hundred seventy-two thousand, two hundred forty-two".