7520016 has 40 divisors (see below), whose sum is σ = 22202944. Its totient is φ = 2148480.

The previous prime is 7519999. The next prime is 7520017. The reversal of 7520016 is 6100257.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 7519974 and 7520001.

It is not an unprimeable number, because it can be changed into a prime (7520017) 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, 10855 + ... + 11526.

Almost surely, 2^7520016 is an apocalyptic number.

It is an amenable number.

7520016 is an abundant number, since it is smaller than the sum of its proper divisors (14682928).

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

7520016 is a wasteful number, since it uses less digits than its factorization.

7520016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22399 (or 22393 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7520016 is about 2742.2647574587. The cubic root of 7520016 is about 195.9173606914.

The spelling of 7520016 in words is "seven million, five hundred twenty thousand, sixteen".