7504449136 has 10 divisors (see below), whose sum is σ = 14539870232. Its totient is φ = 3752224560.

The previous prime is 7504449109. The next prime is 7504449149. The reversal of 7504449136 is 6319444057.

It is a super-2 number, since 2×7504449136² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7504449092 and 7504449101.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 234514020 + ... + 234514051.

Almost surely, 2^7504449136 is an apocalyptic number.

It is an amenable number.

7504449136 is a deficient number, since it is larger than the sum of its proper divisors (7035421096).

7504449136 is a wasteful number, since it uses less digits than its factorization.

7504449136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469028079 (or 469028073 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 7504449136 is about 86628.2236687328. The cubic root of 7504449136 is about 1957.8208058180.

The spelling of 7504449136 in words is "seven billion, five hundred four million, four hundred forty-nine thousand, one hundred thirty-six".