749595650 has 12 divisors (see below), whose sum is σ = 1394248002. Its totient is φ = 299838240.

The previous prime is 749595641. The next prime is 749595673. The reversal of 749595650 is 56595947.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 646634041 + 102961609 = 25429^2 + 10147^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 14991913 = 749595650 / (7 + 4 + 9 + 5 + 9 + 5 + 6 + 5 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7495907 + ... + 7496006.

Almost surely, 2^749595650 is an apocalyptic number.

749595650 is a deficient number, since it is larger than the sum of its proper divisors (644652352).

749595650 is a wasteful number, since it uses less digits than its factorization.

749595650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991925 (or 14991920 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 50.

The square root of 749595650 is about 27378.7444927630. The cubic root of 749595650 is about 908.3969886840.

The spelling of 749595650 in words is "seven hundred forty-nine million, five hundred ninety-five thousand, six hundred fifty".