7655481 has 24 divisors (see below), whose sum is σ = 11920896. Its totient is φ = 4720320.

The previous prime is 7655467. The next prime is 7655489. The reversal of 7655481 is 1845567.

It is not a de Polignac number, because 7655481 - 2¹⁰ = 7654457 is a prime.

It is a super-2 number, since 2×7655481² = 117212778682722, which contains 22 as substring.

7655481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7655489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5821 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (496704).

Almost surely, 2^7655481 is an apocalyptic number.

It is an amenable number.

7655481 is a deficient number, since it is larger than the sum of its proper divisors (4265415).

7655481 is a wasteful number, since it uses less digits than its factorization.

7655481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1250 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 7655481 is about 2766.8539896424. The cubic root of 7655481 is about 197.0867801167.

Adding to 7655481 its product of digits (33600), we get a triangular number (7689081 = T₃₉₂₁).

The spelling of 7655481 in words is "seven million, six hundred fifty-five thousand, four hundred eighty-one".