741620661 has 8 divisors (see below), whose sum is σ = 1009866624. Its totient is φ = 483894240.

The previous prime is 741620629. The next prime is 741620681. The reversal of 741620661 is 166026147.

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

It is not a de Polignac number, because 741620661 - 2⁵ = 741620629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741620611) 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, 2629720 + ... + 2630001.

It is an arithmetic number, because the mean of its divisors is an integer number (126233328).

Almost surely, 2^741620661 is an apocalyptic number.

It is an amenable number.

741620661 is a deficient number, since it is larger than the sum of its proper divisors (268245963).

741620661 is a wasteful number, since it uses less digits than its factorization.

741620661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259771.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 741620661 is about 27232.7130671918. The cubic root of 741620661 is about 905.1640010875.

The spelling of 741620661 in words is "seven hundred forty-one million, six hundred twenty thousand, six hundred sixty-one".