749471742 has 48 divisors (see below), whose sum is σ = 1655749680. Its totient is φ = 244944000.

The previous prime is 749471731. The next prime is 749471753. The reversal of 749471742 is 247174947.

It is an interprime number because it is at equal distance from previous prime (749471731) and next prime (749471753).

It is a congruent number.

It is an unprimeable number.

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, 415242 + ... + 417042.

It is an arithmetic number, because the mean of its divisors is an integer number (34494785).

Almost surely, 2^749471742 is an apocalyptic number.

749471742 is an abundant number, since it is smaller than the sum of its proper divisors (906277938).

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

749471742 is a wasteful number, since it uses less digits than its factorization.

749471742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2246 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 749471742 is about 27376.4815489500. The cubic root of 749471742 is about 908.3469333167.

The spelling of 749471742 in words is "seven hundred forty-nine million, four hundred seventy-one thousand, seven hundred forty-two".