727421012 has 6 divisors (see below), whose sum is σ = 1272986778. Its totient is φ = 363710504.

The previous prime is 727420997. The next prime is 727421027. The reversal of 727421012 is 210124727.

It is an interprime number because it is at equal distance from previous prime (727420997) and next prime (727421027).

It can be written as a sum of positive squares in only one way, i.e., 519657616 + 207763396 = 22796^2 + 14414^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90927623 + ... + 90927630.

It is an arithmetic number, because the mean of its divisors is an integer number (212164463).

Almost surely, 2^727421012 is an apocalyptic number.

It is an amenable number.

727421012 is a deficient number, since it is larger than the sum of its proper divisors (545565766).

727421012 is a wasteful number, since it uses less digits than its factorization.

727421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181855257 (or 181855255 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 727421012 is about 26970.7436308308. The cubic root of 727421012 is about 899.3497409941.

Adding to 727421012 its reverse (210124727), we get a palindrome (937545739).

The spelling of 727421012 in words is "seven hundred twenty-seven million, four hundred twenty-one thousand, twelve".