942700661 has 12 divisors (see below), whose sum is σ = 1101175020. Its totient is φ = 804666240.

The previous prime is 942700657. The next prime is 942700663. The reversal of 942700661 is 166007249.

It can be written as a sum of positive squares in 2 ways, for example, as 629056561 + 313644100 = 25081^2 + 17710^2 .

It is not a de Polignac number, because 942700661 - 2² = 942700657 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 (942700663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28106 + ... + 51723.

It is an arithmetic number, because the mean of its divisors is an integer number (91764585).

Almost surely, 2^942700661 is an apocalyptic number.

It is an amenable number.

942700661 is a deficient number, since it is larger than the sum of its proper divisors (158474359).

942700661 is a wasteful number, since it uses less digits than its factorization.

942700661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80084 (or 80077 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 942700661 is about 30703.4307692154. The cubic root of 942700661 is about 980.5233429219.

The spelling of 942700661 in words is "nine hundred forty-two million, seven hundred thousand, six hundred sixty-one".