741521961 has 12 divisors (see below), whose sum is σ = 1093876992. Its totient is φ = 483829656.

The previous prime is 741521927. The next prime is 741521969. The reversal of 741521961 is 169125147.

741521961 is a `hidden beast` number, since 7 + 41 + 521 + 96 + 1 = 666.

It is not a de Polignac number, because 741521961 - 2¹⁴ = 741505577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (741521969) 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, 876081 + ... + 876926.

It is an arithmetic number, because the mean of its divisors is an integer number (91156416).

Almost surely, 2^741521961 is an apocalyptic number.

It is an amenable number.

741521961 is a deficient number, since it is larger than the sum of its proper divisors (352355031).

741521961 is a wasteful number, since it uses less digits than its factorization.

741521961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753060 (or 1753057 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 741521961 is about 27230.9008481174. The cubic root of 741521961 is about 905.1238441469.

The spelling of 741521961 in words is "seven hundred forty-one million, five hundred twenty-one thousand, nine hundred sixty-one".