72521114 has 8 divisors (see below), whose sum is σ = 108916320. Its totient is φ = 36215676.

The previous prime is 72521063. The next prime is 72521117. The reversal of 72521114 is 41112527.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72521114.

It is not an unprimeable number, because it can be changed into a prime (72521117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20384 + ... + 23675.

It is an arithmetic number, because the mean of its divisors is an integer number (13614540).

Almost surely, 2^72521114 is an apocalyptic number.

72521114 is a deficient number, since it is larger than the sum of its proper divisors (36395206).

72521114 is a wasteful number, since it uses less digits than its factorization.

72521114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44884.

The product of its digits is 560, while the sum is 23.

The square root of 72521114 is about 8515.9329494777. The cubic root of 72521114 is about 417.0180202960.

The spelling of 72521114 in words is "seventy-two million, five hundred twenty-one thousand, one hundred fourteen".