7500134740 has 48 divisors (see below), whose sum is σ = 18104429952. Its totient is φ = 2556602496.

The previous prime is 7500134723. The next prime is 7500134743. The reversal of 7500134740 is 474310057.

It is a super-2 number, since 2×7500134740² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7500134743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 130614 + ... + 179053.

It is an arithmetic number, because the mean of its divisors is an integer number (377175624).

Almost surely, 2^7500134740 is an apocalyptic number.

7500134740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7500134740 is an abundant number, since it is smaller than the sum of its proper divisors (10604295212).

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

7500134740 is a wasteful number, since it uses less digits than its factorization.

7500134740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309856 (or 309854 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7500134740 is about 86603.3182967027. The cubic root of 7500134740 is about 1957.4455424979.

Adding to 7500134740 its reverse (474310057), we get a palindrome (7974444797).

The spelling of 7500134740 in words is "seven billion, five hundred million, one hundred thirty-four thousand, seven hundred forty".