72025477 has 8 divisors (see below), whose sum is σ = 72890456. Its totient is φ = 71165952.

The previous prime is 72025441. The next prime is 72025517. The reversal of 72025477 is 77452027.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 71334916 = 831^2 + 8446^2 .

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-72025477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72028477) 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, 29113 + ... + 31489.

It is an arithmetic number, because the mean of its divisors is an integer number (9111307).

Almost surely, 2^72025477 is an apocalyptic number.

It is an amenable number.

72025477 is a deficient number, since it is larger than the sum of its proper divisors (864979).

72025477 is a wasteful number, since it uses less digits than its factorization.

72025477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 72025477 is about 8486.7824880811. The cubic root of 72025477 is about 416.0658276161.

The spelling of 72025477 in words is "seventy-two million, twenty-five thousand, four hundred seventy-seven".