749480690 has 32 divisors (see below), whose sum is σ = 1545333120. Its totient is φ = 256374144.

The previous prime is 749480689. The next prime is 749480713. The reversal of 749480690 is 96084947.

749480690 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 2×749480690² = 1123442609365752200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18926 + ... + 43094.

It is an arithmetic number, because the mean of its divisors is an integer number (48291660).

Almost surely, 2^749480690 is an apocalyptic number.

749480690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

749480690 is an abundant number, since it is smaller than the sum of its proper divisors (795852430).

749480690 is a wasteful number, since it uses less digits than its factorization.

749480690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 749480690 is about 27376.6449734075. The cubic root of 749480690 is about 908.3505482433.

The spelling of 749480690 in words is "seven hundred forty-nine million, four hundred eighty thousand, six hundred ninety".