748646746 has 4 divisors (see below), whose sum is σ = 1122970122. Its totient is φ = 374323372.

The previous prime is 748646737. The next prime is 748646749. The reversal of 748646746 is 647646847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647646847 = 331 ⋅1956637.

It can be written as a sum of positive squares in only one way, i.e., 740438521 + 8208225 = 27211^2 + 2865^2 .

It is a junction number, because it is equal to n+sod(n) for n = 748646693 and 748646702.

It is not an unprimeable number, because it can be changed into a prime (748646749) by changing a digit.

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 as a sum of consecutive naturals, namely, 187161685 + ... + 187161688.

Almost surely, 2^748646746 is an apocalyptic number.

748646746 is a deficient number, since it is larger than the sum of its proper divisors (374323376).

748646746 is a wasteful number, since it uses less digits than its factorization.

748646746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374323375.

The product of its digits is 5419008, while the sum is 52.

The square root of 748646746 is about 27361.4097955496. The cubic root of 748646746 is about 908.0135172679.

The spelling of 748646746 in words is "seven hundred forty-eight million, six hundred forty-six thousand, seven hundred forty-six".