72454210 has 16 divisors (see below), whose sum is σ = 130536000. Its totient is φ = 28955376.

The previous prime is 72454199. The next prime is 72454229. The reversal of 72454210 is 1245427.

It is a super-2 number, since 2×72454210² = 10499225093448200, 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, 11401 + ... + 16579.

It is an arithmetic number, because the mean of its divisors is an integer number (8158500).

Almost surely, 2^72454210 is an apocalyptic number.

72454210 is a deficient number, since it is larger than the sum of its proper divisors (58081790).

72454210 is a wasteful number, since it uses less digits than its factorization.

72454210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 72454210 is about 8512.0038768788. The cubic root of 72454210 is about 416.8897415267.

Adding to 72454210 its reverse (1245427), we get a palindrome (73699637).

The spelling of 72454210 in words is "seventy-two million, four hundred fifty-four thousand, two hundred ten".