7534749744 has 120 divisors (see below), whose sum is σ = 22738388400. Its totient is φ = 2321326080.

The previous prime is 7534749743. The next prime is 7534749769. The reversal of 7534749744 is 4479474357.

It is a happy number.

7534749744 is a `hidden beast` number, since 75 + 3 + 47 + 497 + 44 = 666.

It is a super-3 number, since 3×7534749744³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7534749743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78592 + ... + 145760.

It is an arithmetic number, because the mean of its divisors is an integer number (189486570).

Almost surely, 2^7534749744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7534749744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11369194200).

7534749744 is an abundant number, since it is smaller than the sum of its proper divisors (15203638656).

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

7534749744 is a wasteful number, since it uses less digits than its factorization.

7534749744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67243 (or 67234 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The square root of 7534749744 is about 86802.9362637002. The cubic root of 7534749744 is about 1960.4522890690.

The spelling of 7534749744 in words is "seven billion, five hundred thirty-four million, seven hundred forty-nine thousand, seven hundred forty-four".