749169612 has 72 divisors (see below), whose sum is σ = 1937487552. Its totient is φ = 244015200.

The previous prime is 749169611. The next prime is 749169647. The reversal of 749169612 is 216961947.

It is a super-2 number, since 2×749169612² = 1122510215088461088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749169611) 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 23 ways as a sum of consecutive naturals, for example, 314787 + ... + 317157.

Almost surely, 2^749169612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749169612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968743776).

749169612 is an abundant number, since it is smaller than the sum of its proper divisors (1188317940).

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

749169612 is a wasteful number, since it uses less digits than its factorization.

749169612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2574 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 749169612 is about 27370.9629351983. The cubic root of 749169612 is about 908.2248581139.

The spelling of 749169612 in words is "seven hundred forty-nine million, one hundred sixty-nine thousand, six hundred twelve".