734404540 has 24 divisors (see below), whose sum is σ = 1561775040. Its totient is φ = 290042688.

The previous prime is 734404519. The next prime is 734404543. The reversal of 734404540 is 45404437.

It is a super-2 number, since 2×734404540² = 1078700056745223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734404543) 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, 230827 + ... + 233986.

It is an arithmetic number, because the mean of its divisors is an integer number (65073960).

Almost surely, 2^734404540 is an apocalyptic number.

It is an amenable number.

734404540 is an abundant number, since it is smaller than the sum of its proper divisors (827370500).

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

734404540 is a wasteful number, since it uses less digits than its factorization.

734404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464901 (or 464899 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 734404540 is about 27099.8992618054. The cubic root of 734404540 is about 902.2186168623.

Adding to 734404540 its reverse (45404437), we get a palindrome (779808977).

The spelling of 734404540 in words is "seven hundred thirty-four million, four hundred four thousand, five hundred forty".