7661244 has 12 divisors (see below), whose sum is σ = 17876264. Its totient is φ = 2553744.

The previous prime is 7661239. The next prime is 7661279. The reversal of 7661244 is 4421667.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319207 + ... + 319230.

Almost surely, 2^7661244 is an apocalyptic number.

It is an amenable number.

7661244 is an abundant number, since it is smaller than the sum of its proper divisors (10215020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7661244 is a wasteful number, since it uses less digits than its factorization.

7661244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638444 (or 638442 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 7661244 is about 2767.8952292310. The cubic root of 7661244 is about 197.1362229592.

The spelling of 7661244 in words is "seven million, six hundred sixty-one thousand, two hundred forty-four".