734019690 has 64 divisors (see below), whose sum is σ = 1814471424. Its totient is φ = 189900288.

The previous prime is 734019683. The next prime is 734019691. The reversal of 734019690 is 96910437.

It is a super-3 number, since 3×734019690³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (734019691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506547 + ... + 507993.

It is an arithmetic number, because the mean of its divisors is an integer number (28351116).

Almost surely, 2^734019690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734019690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907235712).

734019690 is an abundant number, since it is smaller than the sum of its proper divisors (1080451734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

734019690 is a wasteful number, since it uses less digits than its factorization.

734019690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 734019690 is about 27092.7977514320. The cubic root of 734019690 is about 902.0609927897.

The spelling of 734019690 in words is "seven hundred thirty-four million, nineteen thousand, six hundred ninety".