7641221446 has 16 divisors (see below), whose sum is σ = 11563683840. Its totient is φ = 3786720840.

The previous prime is 7641221411. The next prime is 7641221503. The reversal of 7641221446 is 6441221467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247285 + ... + 276463.

It is an arithmetic number, because the mean of its divisors is an integer number (722730240).

Almost surely, 2^7641221446 is an apocalyptic number.

7641221446 is a deficient number, since it is larger than the sum of its proper divisors (3922462394).

7641221446 is a wasteful number, since it uses less digits than its factorization.

7641221446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30339.

The product of its digits is 64512, while the sum is 37.

The square root of 7641221446 is about 87414.0803646644. The cubic root of 7641221446 is about 1969.6433554348.

The spelling of 7641221446 in words is "seven billion, six hundred forty-one million, two hundred twenty-one thousand, four hundred forty-six".