748634994 has 16 divisors (see below), whose sum is σ = 1663633440. Its totient is φ = 249544980.

The previous prime is 748634983. The next prime is 748635109. The reversal of 748634994 is 499436847.

It is a happy number.

748634994 is a `hidden beast` number, since 74 + 86 + 3 + 499 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 13863611 = 748634994 / (7 + 4 + 8 + 6 + 3 + 4 + 9 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 748634994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6931752 + ... + 6931859.

It is an arithmetic number, because the mean of its divisors is an integer number (103977090).

Almost surely, 2^748634994 is an apocalyptic number.

748634994 is an abundant number, since it is smaller than the sum of its proper divisors (914998446).

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

748634994 is a wasteful number, since it uses less digits than its factorization.

748634994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863622 (or 13863616 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 748634994 is about 27361.1950396908. The cubic root of 748634994 is about 908.0087660147.

The spelling of 748634994 in words is "seven hundred forty-eight million, six hundred thirty-four thousand, nine hundred ninety-four".