748393917 has 8 divisors (see below), whose sum is σ = 1000241760. Its totient is φ = 497737680.

The previous prime is 748393879. The next prime is 748393927. The reversal of 748393917 is 719393847.

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

It is not a de Polignac number, because 748393917 - 2⁶ = 748393853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 748393917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748393927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296434 + ... + 298947.

It is an arithmetic number, because the mean of its divisors is an integer number (125030220).

Almost surely, 2^748393917 is an apocalyptic number.

It is an amenable number.

748393917 is a deficient number, since it is larger than the sum of its proper divisors (251847843).

748393917 is a wasteful number, since it uses less digits than its factorization.

748393917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595803.

The product of its digits is 1143072, while the sum is 51.

The square root of 748393917 is about 27356.7892304634. The cubic root of 748393917 is about 907.9112892594.

The spelling of 748393917 in words is "seven hundred forty-eight million, three hundred ninety-three thousand, nine hundred seventeen".