749641930 has 8 divisors (see below), whose sum is σ = 1349355492. Its totient is φ = 299856768.

The previous prime is 749641889. The next prime is 749641939. The reversal of 749641930 is 39146947.

It can be written as a sum of positive squares in 2 ways, for example, as 745344601 + 4297329 = 27301^2 + 2073^2 .

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

It is not an unprimeable number, because it can be changed into a prime (749641939) 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, 37482087 + ... + 37482106.

Almost surely, 2^749641930 is an apocalyptic number.

749641930 is a deficient number, since it is larger than the sum of its proper divisors (599713562).

749641930 is a wasteful number, since it uses less digits than its factorization.

749641930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74964200.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 749641930 is about 27379.5896609135. The cubic root of 749641930 is about 908.4156830949.

The spelling of 749641930 in words is "seven hundred forty-nine million, six hundred forty-one thousand, nine hundred thirty".