727537145401 has 6 divisors (see below), whose sum is σ = 799689589706. Its totient is φ = 661397404800.

The previous prime is 727537145369. The next prime is 727537145411. The reversal of 727537145401 is 104541735727.

It can be written as a sum of positive squares in only one way, i.e., 685716486400 + 41820659001 = 828080^2 + 204501^2 .

It is not a de Polignac number, because 727537145401 - 2⁵ = 727537145369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727537145411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3006351720 + ... + 3006351961.

Almost surely, 2^727537145401 is an apocalyptic number.

It is an amenable number.

727537145401 is a deficient number, since it is larger than the sum of its proper divisors (72152444305).

727537145401 is a wasteful number, since it uses less digits than its factorization.

727537145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012703703 (or 6012703692 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 727537145401 in words is "seven hundred twenty-seven billion, five hundred thirty-seven million, one hundred forty-five thousand, four hundred one".