72430060641236 has 6 divisors (see below), whose sum is σ = 126752606122170. Its totient is φ = 36215030320616.

The previous prime is 72430060641223. The next prime is 72430060641329. The reversal of 72430060641236 is 63214606003427.

It can be written as a sum of positive squares in only one way, i.e., 58466760078736 + 13963300562500 = 7646356^2 + 3736750^2 .

It is a super-2 number, since 2×72430060641236² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053757580151 + ... + 9053757580158.

It is an arithmetic number, because the mean of its divisors is an integer number (21125434353695).

Almost surely, 2^{72430060641236} is an apocalyptic number.

It is an amenable number.

72430060641236 is a deficient number, since it is larger than the sum of its proper divisors (54322545480934).

72430060641236 is a wasteful number, since it uses less digits than its factorization.

72430060641236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107515160313 (or 18107515160311 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 72430060641236 in words is "seventy-two trillion, four hundred thirty billion, sixty million, six hundred forty-one thousand, two hundred thirty-six".