7453947534 has 48 divisors (see below), whose sum is σ = 17276132736. Its totient is φ = 2125897600.

The previous prime is 7453947533. The next prime is 7453947581. The reversal of 7453947534 is 4357493547.

It is a super-2 number, since 2×7453947534² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7453947533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176322 + ... + 214469.

It is an arithmetic number, because the mean of its divisors is an integer number (359919432).

Almost surely, 2^7453947534 is an apocalyptic number.

7453947534 is an abundant number, since it is smaller than the sum of its proper divisors (9822185202).

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

7453947534 is a wasteful number, since it uses less digits than its factorization.

7453947534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390841 (or 390824 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 51.

The square root of 7453947534 is about 86336.2469302436. The cubic root of 7453947534 is about 1953.4191631444.

The spelling of 7453947534 in words is "seven billion, four hundred fifty-three million, nine hundred forty-seven thousand, five hundred thirty-four".