749049433 has 8 divisors (see below), whose sum is σ = 817347456. Its totient is φ = 680785200.

The previous prime is 749049421. The next prime is 749049437. The reversal of 749049433 is 334940947.

749049433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 749049433 - 2⁵ = 749049401 is a prime.

It is a super-2 number, since 2×749049433² = 1122150106155242978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749049433.

It is not an unprimeable number, because it can be changed into a prime (749049437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68160 + ... + 78382.

It is an arithmetic number, because the mean of its divisors is an integer number (102168432).

Almost surely, 2^749049433 is an apocalyptic number.

It is an amenable number.

749049433 is a deficient number, since it is larger than the sum of its proper divisors (68298023).

749049433 is a wasteful number, since it uses less digits than its factorization.

749049433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16895.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 749049433 is about 27368.7674731618. The cubic root of 749049433 is about 908.1762908333.

The spelling of 749049433 in words is "seven hundred forty-nine million, forty-nine thousand, four hundred thirty-three".