734489000 has 128 divisors (see below), whose sum is σ = 1976382720. Its totient is φ = 250272000.

The previous prime is 734488987. The next prime is 734489009. The reversal of 734489000 is 984437.

It is a super-2 number, since 2×734489000² = 1078948182242000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (734489009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2218835 + ... + 2219165.

It is an arithmetic number, because the mean of its divisors is an integer number (15440490).

Almost surely, 2^734489000 is an apocalyptic number.

734489000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734489000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988191360).

734489000 is an abundant number, since it is smaller than the sum of its proper divisors (1241893720).

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

734489000 is a wasteful number, since it uses less digits than its factorization.

734489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 734489000 is about 27101.4575253804. The cubic root of 734489000 is about 902.2532020077.

The spelling of 734489000 in words is "seven hundred thirty-four million, four hundred eighty-nine thousand".