749212776 has 48 divisors (see below), whose sum is σ = 2185206660. Its totient is φ = 230526720.

The previous prime is 749212747. The next prime is 749212799. The reversal of 749212776 is 677212947.

It can be written as a sum of positive squares in 2 ways, for example, as 676520100 + 72692676 = 26010^2 + 8526^2 .

It is a super-2 number, since 2×749212776² = 1122639567443252352, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 399285 + ... + 401156.

Almost surely, 2^749212776 is an apocalyptic number.

It is an amenable number.

749212776 is an abundant number, since it is smaller than the sum of its proper divisors (1435993884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749212776 is a wasteful number, since it uses less digits than its factorization.

749212776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800466 (or 800459 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 749212776 is about 27371.7514236850. The cubic root of 749212776 is about 908.2423004769.

The spelling of 749212776 in words is "seven hundred forty-nine million, two hundred twelve thousand, seven hundred seventy-six".