30872501 has 8 divisors (see below), whose sum is σ = 34840800. Its totient is φ = 27097840.

The previous prime is 30872477. The next prime is 30872537. The reversal of 30872501 is 10527803.

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

It is not a de Polignac number, because 30872501 - 2⁶ = 30872437 is a prime.

It is a super-2 number, since 2×30872501² = 1906222635990002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30872201) 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, 48071 + ... + 48708.

It is an arithmetic number, because the mean of its divisors is an integer number (4355100).

Almost surely, 2^30872501 is an apocalyptic number.

It is an amenable number.

30872501 is a deficient number, since it is larger than the sum of its proper divisors (3968299).

30872501 is a wasteful number, since it uses less digits than its factorization.

30872501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96819.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 30872501 is about 5556.3028175217. The cubic root of 30872501 is about 313.7068036805.

The spelling of 30872501 in words is "thirty million, eight hundred seventy-two thousand, five hundred one".