740670444 has 18 divisors (see below), whose sum is σ = 1872250380. Its totient is φ = 246890136.

The previous prime is 740670443. The next prime is 740670451. The reversal of 740670444 is 444076047.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20574179 = 740670444 / (7 + 4 + 0 + 6 + 7 + 0 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 740670399 and 740670408.

It is not an unprimeable number, because it can be changed into a prime (740670443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10287054 + ... + 10287125.

It is an arithmetic number, because the mean of its divisors is an integer number (104013910).

Almost surely, 2^740670444 is an apocalyptic number.

It is an amenable number.

740670444 is an abundant number, since it is smaller than the sum of its proper divisors (1131579936).

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

740670444 is a wasteful number, since it uses less digits than its factorization.

740670444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574189 (or 20574184 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 740670444 is about 27215.2612333595. The cubic root of 740670444 is about 904.7772490861. Note that the first 3 decimals are identical.

The spelling of 740670444 in words is "seven hundred forty million, six hundred seventy thousand, four hundred forty-four".