7621161 has 8 divisors (see below), whose sum is σ = 10192224. Its totient is φ = 5065440.

The previous prime is 7621123. The next prime is 7621177. The reversal of 7621161 is 1611267.

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

It is not a de Polignac number, because 7621161 - 2¹⁵ = 7588393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7621111) 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, 2620 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (1274028).

Almost surely, 2^7621161 is an apocalyptic number.

It is an amenable number.

7621161 is a deficient number, since it is larger than the sum of its proper divisors (2571063).

7621161 is a wasteful number, since it uses less digits than its factorization.

7621161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its digits is 504, while the sum is 24.

The square root of 7621161 is about 2760.6450333210. The cubic root of 7621161 is about 196.7918214511.

The spelling of 7621161 in words is "seven million, six hundred twenty-one thousand, one hundred sixty-one".