72825401 has 8 divisors (see below), whose sum is σ = 79540704. Its totient is φ = 66125920.

The previous prime is 72825373. The next prime is 72825413. The reversal of 72825401 is 10452827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72825401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72825421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7010 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (9942588).

Almost surely, 2^72825401 is an apocalyptic number.

It is an amenable number.

72825401 is a deficient number, since it is larger than the sum of its proper divisors (6715303).

72825401 is a wasteful number, since it uses less digits than its factorization.

72825401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 72825401 is about 8533.7799948206. The cubic root of 72825401 is about 417.6004534359.

The spelling of 72825401 in words is "seventy-two million, eight hundred twenty-five thousand, four hundred one".