734700040 has 64 divisors (see below), whose sum is σ = 1734048000. Its totient is φ = 279620352.

The previous prime is 734700011. The next prime is 734700041. The reversal of 734700040 is 40007437.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 734699978 and 734700014.

It is not an unprimeable number, because it can be changed into a prime (734700041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181074 + ... + 185086.

It is an arithmetic number, because the mean of its divisors is an integer number (27094500).

Almost surely, 2^734700040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734700040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867024000).

734700040 is an abundant number, since it is smaller than the sum of its proper divisors (999347960).

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

734700040 is a wasteful number, since it uses less digits than its factorization.

734700040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 734700040 is about 27105.3507632718. The cubic root of 734700040 is about 902.3396082401.

Adding to 734700040 its reverse (40007437), we get a palindrome (774707477).

The spelling of 734700040 in words is "seven hundred thirty-four million, seven hundred thousand, forty".