7507681445 has 32 divisors (see below), whose sum is σ = 10004788224. Its totient is φ = 5362329600.

The previous prime is 7507681409. The next prime is 7507681453. The reversal of 7507681445 is 5441867057.

It is not a de Polignac number, because 7507681445 - 2⁶ = 7507681381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7507681445.

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 in 31 ways as a sum of consecutive naturals, for example, 2894069 + ... + 2896661.

It is an arithmetic number, because the mean of its divisors is an integer number (312649632).

Almost surely, 2^7507681445 is an apocalyptic number.

It is an amenable number.

7507681445 is a deficient number, since it is larger than the sum of its proper divisors (2497106779).

7507681445 is a wasteful number, since it uses less digits than its factorization.

7507681445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 7507681445 is about 86646.8778722003. The cubic root of 7507681445 is about 1958.1018556923.

The spelling of 7507681445 in words is "seven billion, five hundred seven million, six hundred eighty-one thousand, four hundred forty-five".