748688518 has 8 divisors (see below), whose sum is σ = 1133336160. Its totient is φ = 370909800.

The previous prime is 748688513. The next prime is 748688519. The reversal of 748688518 is 815886847.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748688513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716958 + ... + 1717393.

It is an arithmetic number, because the mean of its divisors is an integer number (141667020).

Almost surely, 2^748688518 is an apocalyptic number.

748688518 is a deficient number, since it is larger than the sum of its proper divisors (384647642).

748688518 is a wasteful number, since it uses less digits than its factorization.

748688518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434462.

The product of its digits is 3440640, while the sum is 55.

The square root of 748688518 is about 27362.1731227620. The cubic root of 748688518 is about 908.0304049992.

The spelling of 748688518 in words is "seven hundred forty-eight million, six hundred eighty-eight thousand, five hundred eighteen".