7381754540 has 48 divisors (see below), whose sum is σ = 16153452000. Its totient is φ = 2830044672.

The previous prime is 7381754537. The next prime is 7381754551. The reversal of 7381754540 is 454571837.

It is a super-2 number, since 2×7381754540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7381754491 and 7381754500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33011 + ... + 125909.

It is an arithmetic number, because the mean of its divisors is an integer number (336530250).

Almost surely, 2^7381754540 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 7381754540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8076726000).

7381754540 is an abundant number, since it is smaller than the sum of its proper divisors (8771697460).

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

7381754540 is a wasteful number, since it uses less digits than its factorization.

7381754540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93074 (or 93072 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 7381754540 is about 85917.1376385410. The cubic root of 7381754540 is about 1947.0922729394.

The spelling of 7381754540 in words is "seven billion, three hundred eighty-one million, seven hundred fifty-four thousand, five hundred forty".