400734702 has 48 divisors (see below), whose sum is σ = 931497840. Its totient is φ = 128967552.

The previous prime is 400734661. The next prime is 400734709. The reversal of 400734702 is 207437004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400734709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123 + ... + 28310.

It is an arithmetic number, because the mean of its divisors is an integer number (19406205).

Almost surely, 2^400734702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400734702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465748920).

400734702 is an abundant number, since it is smaller than the sum of its proper divisors (530763138).

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

400734702 is a wasteful number, since it uses less digits than its factorization.

400734702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28479 (or 28467 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 400734702 is about 20018.3591235645. The cubic root of 400734702 is about 737.2571347012.

The spelling of 400734702 in words is "four hundred million, seven hundred thirty-four thousand, seven hundred two".