7521240372 has 12 divisors (see below), whose sum is σ = 17549560896. Its totient is φ = 2507080120.

The previous prime is 7521240371. The next prime is 7521240401. The reversal of 7521240372 is 2730421257.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7521240371) 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, 313385004 + ... + 313385027.

It is an arithmetic number, because the mean of its divisors is an integer number (1462463408).

Almost surely, 2^7521240372 is an apocalyptic number.

It is an amenable number.

7521240372 is an abundant number, since it is smaller than the sum of its proper divisors (10028320524).

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

7521240372 is a wasteful number, since it uses less digits than its factorization.

7521240372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626770038 (or 626770036 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 7521240372 is about 86725.0850215784. The cubic root of 7521240372 is about 1959.2799288125.

The spelling of 7521240372 in words is "seven billion, five hundred twenty-one million, two hundred forty thousand, three hundred seventy-two".