7772261 has 8 divisors (see below), whose sum is σ = 9189120. Its totient is φ = 6432048.

The previous prime is 7772251. The next prime is 7772263. The reversal of 7772261 is 1622777.

It is a happy number.

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

It is not a de Polignac number, because 7772261 - 2¹⁰ = 7771237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7772263) 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, 18941 + ... + 19346.

It is an arithmetic number, because the mean of its divisors is an integer number (1148640).

Almost surely, 2^7772261 is an apocalyptic number.

It is an amenable number.

7772261 is a deficient number, since it is larger than the sum of its proper divisors (1416859).

7772261 is a wasteful number, since it uses less digits than its factorization.

7772261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38323.

The product of its digits is 8232, while the sum is 32.

The square root of 7772261 is about 2787.8775080695. The cubic root of 7772261 is about 198.0838759694.

The spelling of 7772261 in words is "seven million, seven hundred seventy-two thousand, two hundred sixty-one".