7704149145 has 32 divisors (see below), whose sum is σ = 15368279040. Its totient is φ = 3201723840.

The previous prime is 7704149119. The next prime is 7704149179. The reversal of 7704149145 is 5419414077.

It is not a de Polignac number, because 7704149145 - 2⁷ = 7704149017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7704149097 and 7704149106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3333975 + ... + 3336284.

It is an arithmetic number, because the mean of its divisors is an integer number (480258720).

Almost surely, 2^7704149145 is an apocalyptic number.

It is an amenable number.

7704149145 is a deficient number, since it is larger than the sum of its proper divisors (7664129895).

7704149145 is a wasteful number, since it uses less digits than its factorization.

7704149145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670285.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 7704149145 is about 87773.2826377139. The cubic root of 7704149145 is about 1975.0354441110.

The spelling of 7704149145 in words is "seven billion, seven hundred four million, one hundred forty-nine thousand, one hundred forty-five".