749126890 has 16 divisors (see below), whose sum is σ = 1377119232. Its totient is φ = 293275024.

The previous prime is 749126863. The next prime is 749126891. The reversal of 749126890 is 98621947.

749126890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749126890² = 1122382194642144200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749126890.

It is not an unprimeable number, because it can be changed into a prime (749126891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796474 + ... + 797413.

It is an arithmetic number, because the mean of its divisors is an integer number (86069952).

Almost surely, 2^749126890 is an apocalyptic number.

749126890 is a deficient number, since it is larger than the sum of its proper divisors (627992342).

749126890 is a wasteful number, since it uses less digits than its factorization.

749126890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593941.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 749126890 is about 27370.1824984782. The cubic root of 749126890 is about 908.2075937012.

The spelling of 749126890 in words is "seven hundred forty-nine million, one hundred twenty-six thousand, eight hundred ninety".