7420133 has 4 divisors (see below), whose sum is σ = 8480160. Its totient is φ = 6360108.

The previous prime is 7420121. The next prime is 7420141. The reversal of 7420133 is 3310247.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3310247 = 179 ⋅18493.

It is a cyclic number.

It is not a de Polignac number, because 7420133 - 2⁶ = 7420069 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 (7420033) 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, 530003 + ... + 530016.

It is an arithmetic number, because the mean of its divisors is an integer number (2120040).

Almost surely, 2^7420133 is an apocalyptic number.

It is an amenable number.

7420133 is a deficient number, since it is larger than the sum of its proper divisors (1060027).

7420133 is a wasteful number, since it uses less digits than its factorization.

7420133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060026.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7420133 is about 2723.9921071839. The cubic root of 7420133 is about 195.0460815923.

The spelling of 7420133 in words is "seven million, four hundred twenty thousand, one hundred thirty-three".