749191932 has 18 divisors (see below), whose sum is σ = 1893790808. Its totient is φ = 249730632.

The previous prime is 749191913. The next prime is 749191939. The reversal of 749191932 is 239191947.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×749191932² = 1122577101947785248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749191939) 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 5 ways as a sum of consecutive naturals, for example, 10405408 + ... + 10405479.

Almost surely, 2^749191932 is an apocalyptic number.

It is an amenable number.

749191932 is an abundant number, since it is smaller than the sum of its proper divisors (1144598876).

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

749191932 is a wasteful number, since it uses less digits than its factorization.

749191932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810897 (or 20810892 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 749191932 is about 27371.3706635236. The cubic root of 749191932 is about 908.2338776012.

The spelling of 749191932 in words is "seven hundred forty-nine million, one hundred ninety-one thousand, nine hundred thirty-two".