30493573 has 6 divisors (see below), whose sum is σ = 33517862. Its totient is φ = 27721320.

The previous prime is 30493549. The next prime is 30493583. The reversal of 30493573 is 37539403.

It can be written as a sum of positive squares in only one way, i.e., 30492484 + 1089 = 5522^2 + 33^2 .

It is not a de Polignac number, because 30493573 - 2¹³ = 30485381 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 (30493523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125886 + ... + 126127.

Almost surely, 2^30493573 is an apocalyptic number.

It is an amenable number.

30493573 is a deficient number, since it is larger than the sum of its proper divisors (3024289).

30493573 is a wasteful number, since it uses less digits than its factorization.

30493573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252035 (or 252024 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 30493573 is about 5522.0986046973. The cubic root of 30493573 is about 312.4180410133.

The spelling of 30493573 in words is "thirty million, four hundred ninety-three thousand, five hundred seventy-three".