738962561 has 8 divisors (see below), whose sum is σ = 778728384. Its totient is φ = 699833200.

The previous prime is 738962527. The next prime is 738962569. The reversal of 738962561 is 165269837.

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

It is a cyclic number.

It is not a de Polignac number, because 738962561 - 2¹⁰ = 738961537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (738962569) 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, 156731 + ... + 161376.

It is an arithmetic number, because the mean of its divisors is an integer number (97341048).

Almost surely, 2^738962561 is an apocalyptic number.

It is an amenable number.

738962561 is a deficient number, since it is larger than the sum of its proper divisors (39765823).

738962561 is a wasteful number, since it uses less digits than its factorization.

738962561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318231.

The product of its digits is 544320, while the sum is 47.

The square root of 738962561 is about 27183.8658214758. The cubic root of 738962561 is about 904.0812837247.

The spelling of 738962561 in words is "seven hundred thirty-eight million, nine hundred sixty-two thousand, five hundred sixty-one".