749500130 has 8 divisors (see below), whose sum is σ = 1349100252. Its totient is φ = 299800048.

The previous prime is 749500111. The next prime is 749500223. The reversal of 749500130 is 31005947.

It is a Cunningham number, because it is equal to 27377²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 749500129 + 1 = 27377^2 + 1^2 .

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 = 749500093 and 749500102.

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, 37474997 + ... + 37475016.

Almost surely, 2^749500130 is an apocalyptic number.

749500130 is a deficient number, since it is larger than the sum of its proper divisors (599600122).

749500130 is a wasteful number, since it uses less digits than its factorization.

749500130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74950020.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 749500130 is about 27377.0000182635. Note that the first 4 decimals coincide. The cubic root of 749500130 is about 908.3584017621.

The spelling of 749500130 in words is "seven hundred forty-nine million, five hundred thousand, one hundred thirty".