749949473 has 16 divisors (see below), whose sum is σ = 931195776. Its totient is φ = 588107520.

The previous prime is 749949469. The next prime is 749949479. The reversal of 749949473 is 374949947.

It is not a de Polignac number, because 749949473 - 2² = 749949469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749949479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26183 + ... + 46748.

It is an arithmetic number, because the mean of its divisors is an integer number (58199736).

Almost surely, 2^749949473 is an apocalyptic number.

It is an amenable number.

749949473 is a deficient number, since it is larger than the sum of its proper divisors (181246303).

749949473 is a wasteful number, since it uses less digits than its factorization.

749949473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73064.

The product of its digits is 6858432, while the sum is 56.

The square root of 749949473 is about 27385.2053671321. The cubic root of 749949473 is about 908.5398929241.

The spelling of 749949473 in words is "seven hundred forty-nine million, nine hundred forty-nine thousand, four hundred seventy-three".