749294478 has 48 divisors (see below), whose sum is σ = 1640574000. Its totient is φ = 247148160.

The previous prime is 749294473. The next prime is 749294503. The reversal of 749294478 is 874492947.

It is a happy number.

749294478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749294478² = 1122884429522584968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749294473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316578 + ... + 1317146.

It is an arithmetic number, because the mean of its divisors is an integer number (34178625).

Almost surely, 2^749294478 is an apocalyptic number.

749294478 is an abundant number, since it is smaller than the sum of its proper divisors (891279522).

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

749294478 is a wasteful number, since it uses less digits than its factorization.

749294478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1214 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 749294478 is about 27373.2438340800. The cubic root of 749294478 is about 908.2753140246.

The spelling of 749294478 in words is "seven hundred forty-nine million, two hundred ninety-four thousand, four hundred seventy-eight".