748644542 has 8 divisors (see below), whose sum is σ = 1123089816. Its totient is φ = 374281272.

The previous prime is 748644539. The next prime is 748644587. The reversal of 748644542 is 245446847.

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

It is a junction number, because it is equal to n+sod(n) for n = 748644493 and 748644502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13808 + ... + 41084.

It is an arithmetic number, because the mean of its divisors is an integer number (140386227).

Almost surely, 2^748644542 is an apocalyptic number.

748644542 is a deficient number, since it is larger than the sum of its proper divisors (374445274).

748644542 is a wasteful number, since it uses less digits than its factorization.

748644542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41002.

The product of its digits is 860160, while the sum is 44.

The square root of 748644542 is about 27361.3695198175. The cubic root of 748644542 is about 908.0126262096.

The spelling of 748644542 in words is "seven hundred forty-eight million, six hundred forty-four thousand, five hundred forty-two".