749340980 has 12 divisors (see below), whose sum is σ = 1573616100. Its totient is φ = 299736384.

The previous prime is 749340979. The next prime is 749340997. The reversal of 749340980 is 89043947.

It can be written as a sum of positive squares in 2 ways, for example, as 546904996 + 202435984 = 23386^2 + 14228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18733505 + ... + 18733544.

It is an arithmetic number, because the mean of its divisors is an integer number (131134675).

Almost surely, 2^749340980 is an apocalyptic number.

It is an amenable number.

749340980 is an abundant number, since it is smaller than the sum of its proper divisors (824275120).

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

749340980 is a wasteful number, since it uses less digits than its factorization.

749340980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37467058 (or 37467056 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 749340980 is about 27374.0932269911. The cubic root of 749340980 is about 908.2941031416.

The spelling of 749340980 in words is "seven hundred forty-nine million, three hundred forty thousand, nine hundred eighty".