72912010 has 16 divisors (see below), whose sum is σ = 131464800. Its totient is φ = 29115216.

The previous prime is 72911999. The next prime is 72912029. The reversal of 72912010 is 1021927.

It is a super-2 number, since 2×72912010² = 10632322404480200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 12079.

It is an arithmetic number, because the mean of its divisors is an integer number (8216550).

Almost surely, 2^72912010 is an apocalyptic number.

72912010 is a deficient number, since it is larger than the sum of its proper divisors (58552790).

72912010 is a wasteful number, since it uses less digits than its factorization.

72912010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 72912010 is about 8538.8529674658. The cubic root of 72912010 is about 417.7659342930.

Adding to 72912010 its reverse (1021927), we get a palindrome (73933937).

The spelling of 72912010 in words is "seventy-two million, nine hundred twelve thousand, ten".