748790439 has 4 divisors (see below), whose sum is σ = 998387256. Its totient is φ = 499193624.

The previous prime is 748790431. The next prime is 748790453. The reversal of 748790439 is 934097847.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 748790439 - 2³ = 748790431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 748790391 and 748790400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748790431) 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, 124798404 + ... + 124798409.

It is an arithmetic number, because the mean of its divisors is an integer number (249596814).

Almost surely, 2^748790439 is an apocalyptic number.

748790439 is a deficient number, since it is larger than the sum of its proper divisors (249596817).

748790439 is a wasteful number, since it uses less digits than its factorization.

748790439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249596816.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 748790439 is about 27364.0355028274. The cubic root of 748790439 is about 908.0716073441.

The spelling of 748790439 in words is "seven hundred forty-eight million, seven hundred ninety thousand, four hundred thirty-nine".