7444147740 has 24 divisors (see below), whose sum is σ = 20843613840. Its totient is φ = 1985106048.

The previous prime is 7444147723. The next prime is 7444147757. The reversal of 7444147740 is 477414447.

It is an interprime number because it is at equal distance from previous prime (7444147723) and next prime (7444147757).

It is a junction number, because it is equal to n+sod(n) for n = 7444147692 and 7444147701.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62034505 + ... + 62034624.

It is an arithmetic number, because the mean of its divisors is an integer number (868483910).

Almost surely, 2^7444147740 is an apocalyptic number.

It is an amenable number.

7444147740 is an abundant number, since it is smaller than the sum of its proper divisors (13399466100).

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

7444147740 is a wasteful number, since it uses less digits than its factorization.

7444147740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124069141 (or 124069139 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 42.

The square root of 7444147740 is about 86279.4746159247. The cubic root of 7444147740 is about 1952.5627265308.

The spelling of 7444147740 in words is "seven billion, four hundred forty-four million, one hundred forty-seven thousand, seven hundred forty".