7961629 has 8 divisors (see below), whose sum is σ = 8597792. Its totient is φ = 7328880.

The previous prime is 7961621. The next prime is 7961651. The reversal of 7961629 is 9261697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7961629 - 2³ = 7961621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7961591 and 7961600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7961621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6214 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (1074724).

Almost surely, 2^7961629 is an apocalyptic number.

It is an amenable number.

7961629 is a deficient number, since it is larger than the sum of its proper divisors (636163).

7961629 is a wasteful number, since it uses less digits than its factorization.

7961629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its digits is 40824, while the sum is 40.

The square root of 7961629 is about 2821.6358730354. The cubic root of 7961629 is about 199.6797290731.

The spelling of 7961629 in words is "seven million, nine hundred sixty-one thousand, six hundred twenty-nine".