748139492 has 24 divisors (see below), whose sum is σ = 1410243072. Its totient is φ = 346262400.

The previous prime is 748139489. The next prime is 748139503. The reversal of 748139492 is 294931847.

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 7 ways as a sum of consecutive naturals, for example, 128309 + ... + 134012.

It is an arithmetic number, because the mean of its divisors is an integer number (58760128).

Almost surely, 2^748139492 is an apocalyptic number.

It is an amenable number.

748139492 is a deficient number, since it is larger than the sum of its proper divisors (662103580).

748139492 is a wasteful number, since it uses less digits than its factorization.

748139492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262379 (or 262377 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 748139492 is about 27352.1387097974. The cubic root of 748139492 is about 907.8083926850.

The spelling of 748139492 in words is "seven hundred forty-eight million, one hundred thirty-nine thousand, four hundred ninety-two".