734004991 has 4 divisors (see below), whose sum is σ = 734059872. Its totient is φ = 733950112.

The previous prime is 734004989. The next prime is 734005021. The reversal of 734004991 is 199400437.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 734004991 - 2¹ = 734004989 is a prime.

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 734004991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734004091) 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, 7191 + ... + 38983.

It is an arithmetic number, because the mean of its divisors is an integer number (183514968).

Almost surely, 2^734004991 is an apocalyptic number.

734004991 is a deficient number, since it is larger than the sum of its proper divisors (54881).

734004991 is a wasteful number, since it uses less digits than its factorization.

734004991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54880.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 734004991 is about 27092.5264787173. The cubic root of 734004991 is about 902.0549713877.

The spelling of 734004991 in words is "seven hundred thirty-four million, four thousand, nine hundred ninety-one".