733890749 has 4 divisors (see below), whose sum is σ = 735423360. Its totient is φ = 732358140.

The previous prime is 733890721. The next prime is 733890767. The reversal of 733890749 is 947098337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-733890749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 733890697 and 733890706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733890769) 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, 765587 + ... + 766544.

It is an arithmetic number, because the mean of its divisors is an integer number (183855840).

Almost surely, 2^733890749 is an apocalyptic number.

It is an amenable number.

733890749 is a deficient number, since it is larger than the sum of its proper divisors (1532611).

733890749 is a wasteful number, since it uses less digits than its factorization.

733890749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532610.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 733890749 is about 27090.4180292590. The cubic root of 733890749 is about 902.0081697482.

The spelling of 733890749 in words is "seven hundred thirty-three million, eight hundred ninety thousand, seven hundred forty-nine".