740506648 has 32 divisors (see below), whose sum is σ = 1641520800. Its totient is φ = 306415872.

The previous prime is 740506609. The next prime is 740506673. The reversal of 740506648 is 846605047.

It is a self number, because there is not a number n which added to its sum of digits gives 740506648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226365 + ... + 229612.

It is an arithmetic number, because the mean of its divisors is an integer number (51297525).

Almost surely, 2^740506648 is an apocalyptic number.

It is an amenable number.

740506648 is an abundant number, since it is smaller than the sum of its proper divisors (901014152).

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

740506648 is a wasteful number, since it uses less digits than its factorization.

740506648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456019 (or 456015 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 740506648 is about 27212.2517995112. The cubic root of 740506648 is about 904.7105483371.

The spelling of 740506648 in words is "seven hundred forty million, five hundred six thousand, six hundred forty-eight".