734390040 has 64 divisors (see below), whose sum is σ = 2250063360. Its totient is φ = 191669120.

The previous prime is 734390003. The next prime is 734390047. The reversal of 734390040 is 40093437.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734390047) 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, 59466 + ... + 70745.

It is an arithmetic number, because the mean of its divisors is an integer number (35157240).

Almost surely, 2^734390040 is an apocalyptic number.

It is an amenable number.

734390040 is an abundant number, since it is smaller than the sum of its proper divisors (1515673320).

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

734390040 is a wasteful number, since it uses less digits than its factorization.

734390040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130272 (or 130268 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 734390040 is about 27099.6317318151. The cubic root of 734390040 is about 902.2126790558.

The spelling of 734390040 in words is "seven hundred thirty-four million, three hundred ninety thousand, forty".