740439168 has 64 divisors (see below), whose sum is σ = 2247769920. Its totient is φ = 211553280.

The previous prime is 740439151. The next prime is 740439173. The reversal of 740439168 is 861934047.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 135043 + ... + 140418.

It is an arithmetic number, because the mean of its divisors is an integer number (35121405).

Almost surely, 2^740439168 is an apocalyptic number.

It is an amenable number.

740439168 is an abundant number, since it is smaller than the sum of its proper divisors (1507330752).

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

740439168 is a wasteful number, since it uses less digits than its factorization.

740439168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275485 (or 275473 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 740439168 is about 27211.0118885719. The cubic root of 740439168 is about 904.6830663771.

The spelling of 740439168 in words is "seven hundred forty million, four hundred thirty-nine thousand, one hundred sixty-eight".