72825403 has 8 divisors (see below), whose sum is σ = 83287008. Its totient is φ = 62378304.

The previous prime is 72825373. The next prime is 72825413. The reversal of 72825403 is 30452827.

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

It is a cyclic number.

It is not a de Polignac number, because 72825403 - 2¹³ = 72817211 is a prime.

It is a super-2 number, since 2×72825403² = 10607078644224818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72825413) 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, 11175 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (10410876).

Almost surely, 2^72825403 is an apocalyptic number.

72825403 is a deficient number, since it is larger than the sum of its proper divisors (10461605).

72825403 is a wasteful number, since it uses less digits than its factorization.

72825403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 72825403 is about 8533.7801120019. The cubic root of 72825403 is about 417.6004572588.

The spelling of 72825403 in words is "seventy-two million, eight hundred twenty-five thousand, four hundred three".