7507420 has 12 divisors (see below), whose sum is σ = 15765624. Its totient is φ = 3002960.

The previous prime is 7507403. The next prime is 7507429. The reversal of 7507420 is 247057.

It is a super-2 number, since 2×7507420² = 112722710112800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7507429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187666 + ... + 187705.

It is an arithmetic number, because the mean of its divisors is an integer number (1313802).

Almost surely, 2^7507420 is an apocalyptic number.

It is an amenable number.

7507420 is an abundant number, since it is smaller than the sum of its proper divisors (8258204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7507420 is a wasteful number, since it uses less digits than its factorization.

7507420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375380 (or 375378 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7507420 is about 2739.9671530878. The cubic root of 7507420 is about 195.8079125999.

The spelling of 7507420 in words is "seven million, five hundred seven thousand, four hundred twenty".