7629881 has 16 divisors (see below), whose sum is σ = 9083520. Its totient is φ = 6272640.

The previous prime is 7629863. The next prime is 7629883. The reversal of 7629881 is 1889267.

7629881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7629881 - 2¹⁴ = 7613497 is a prime.

It is a super-2 number, since 2×7629881² = 116430168148322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7629883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22886 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (567720).

Almost surely, 2^7629881 is an apocalyptic number.

It is an amenable number.

7629881 is a deficient number, since it is larger than the sum of its proper divisors (1453639).

7629881 is a wasteful number, since it uses less digits than its factorization.

7629881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 48384, while the sum is 41.

The square root of 7629881 is about 2762.2239228564. The cubic root of 7629881 is about 196.8668481046.

The spelling of 7629881 in words is "seven million, six hundred twenty-nine thousand, eight hundred eighty-one".