72660002 has 8 divisors (see below), whose sum is σ = 109848576. Its totient is φ = 36043812.

The previous prime is 72659957. The next prime is 72660019. The reversal of 72660002 is 20006627.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72660002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142778 + ... + 143285.

It is an arithmetic number, because the mean of its divisors is an integer number (13731072).

Almost surely, 2^72660002 is an apocalyptic number.

72660002 is a deficient number, since it is larger than the sum of its proper divisors (37188574).

72660002 is a wasteful number, since it uses less digits than its factorization.

72660002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286192.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 72660002 is about 8524.0836457651. The cubic root of 72660002 is about 417.2840663283.

Adding to 72660002 its reverse (20006627), we get a palindrome (92666629).

The spelling of 72660002 in words is "seventy-two million, six hundred sixty thousand, two".