72209854 has 8 divisors (see below), whose sum is σ = 108941400. Its totient is φ = 35896056.

The previous prime is 72209843. The next prime is 72209867. The reversal of 72209854 is 45890227.

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

It is a congruent number.

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, 104004 + ... + 104695.

It is an arithmetic number, because the mean of its divisors is an integer number (13617675).

Almost surely, 2^72209854 is an apocalyptic number.

72209854 is a deficient number, since it is larger than the sum of its proper divisors (36731546).

72209854 is a wasteful number, since it uses less digits than its factorization.

72209854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208874.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 72209854 is about 8497.6381424488. The cubic root of 72209854 is about 416.4205521127.

The spelling of 72209854 in words is "seventy-two million, two hundred nine thousand, eight hundred fifty-four".