7542374536 has 8 divisors (see below), whose sum is σ = 14141952270. Its totient is φ = 3771187264.

The previous prime is 7542374531. The next prime is 7542374591. The reversal of 7542374536 is 6354732457.

It can be written as a sum of positive squares in only one way, i.e., 4584102436 + 2958272100 = 67706^2 + 54390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7542374531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471398401 + ... + 471398416.

Almost surely, 2^7542374536 is an apocalyptic number.

It is an amenable number.

7542374536 is a deficient number, since it is larger than the sum of its proper divisors (6599577734).

7542374536 is a wasteful number, since it uses less digits than its factorization.

7542374536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942796823 (or 942796819 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 46.

The square root of 7542374536 is about 86846.8452852491. The cubic root of 7542374536 is about 1961.1133595335.

The spelling of 7542374536 in words is "seven billion, five hundred forty-two million, three hundred seventy-four thousand, five hundred thirty-six".