7521016 has 8 divisors (see below), whose sum is σ = 14101920. Its totient is φ = 3760504.

The previous prime is 7521013. The next prime is 7521049. The reversal of 7521016 is 6101257.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7521013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470056 + ... + 470071.

It is an arithmetic number, because the mean of its divisors is an integer number (1762740).

Almost surely, 2^7521016 is an apocalyptic number.

It is an amenable number.

7521016 is a deficient number, since it is larger than the sum of its proper divisors (6580904).

7521016 is a wasteful number, since it uses less digits than its factorization.

7521016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940133 (or 940129 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 7521016 is about 2742.4470824430. The cubic root of 7521016 is about 195.9260445682.

It can be divided in two parts, 75 and 21016, that multiplied together give a triangular number (1576200 = T₁₇₇₅).

The spelling of 7521016 in words is "seven million, five hundred twenty-one thousand, sixteen".