30148773 has 4 divisors (see below), whose sum is σ = 40198368. Its totient is φ = 20099180.

The previous prime is 30148759. The next prime is 30148787. The reversal of 30148773 is 37784103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30148759) and next prime (30148787).

It is a cyclic number.

It is not a de Polignac number, because 30148773 - 2⁴ = 30148757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024793 + ... + 5024798.

It is an arithmetic number, because the mean of its divisors is an integer number (10049592).

Almost surely, 2^30148773 is an apocalyptic number.

It is an amenable number.

30148773 is a deficient number, since it is larger than the sum of its proper divisors (10049595).

30148773 is a wasteful number, since it uses less digits than its factorization.

30148773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049594.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 30148773 is about 5490.7898338946. The cubic root of 30148773 is about 311.2360397603.

The spelling of 30148773 in words is "thirty million, one hundred forty-eight thousand, seven hundred seventy-three".