72454562 has 8 divisors (see below), whose sum is σ = 114402000. Its totient is φ = 34320564.

The previous prime is 72454559. The next prime is 72454579. The reversal of 72454562 is 26545427.

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

It is a super-2 number, since 2×72454562² = 10499327109223688, which contains 22 as substring.

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, 953312 + ... + 953387.

It is an arithmetic number, because the mean of its divisors is an integer number (14300250).

Almost surely, 2^72454562 is an apocalyptic number.

72454562 is a deficient number, since it is larger than the sum of its proper divisors (41947438).

72454562 is a wasteful number, since it uses less digits than its factorization.

72454562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906720.

The product of its digits is 67200, while the sum is 35.

The square root of 72454562 is about 8512.0245535360. The cubic root of 72454562 is about 416.8904166425.

Adding to 72454562 its reverse (26545427), we get a palindrome (98999989).

The spelling of 72454562 in words is "seventy-two million, four hundred fifty-four thousand, five hundred sixty-two".