749725705 has 8 divisors (see below), whose sum is σ = 903256704. Its totient is φ = 597390000.

The previous prime is 749725699. The next prime is 749725723. The reversal of 749725705 is 507527947.

749725705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 749725705 - 2²³ = 741337097 is a prime.

It is a Duffinian number.

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, 297441 + ... + 299950.

It is an arithmetic number, because the mean of its divisors is an integer number (112907088).

Almost surely, 2^749725705 is an apocalyptic number.

It is an amenable number.

749725705 is a deficient number, since it is larger than the sum of its proper divisors (153530999).

749725705 is a wasteful number, since it uses less digits than its factorization.

749725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597647.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 749725705 is about 27381.1194986618. The cubic root of 749725705 is about 908.4495213343.

The spelling of 749725705 in words is "seven hundred forty-nine million, seven hundred twenty-five thousand, seven hundred five".