7387812 has 36 divisors (see below), whose sum is σ = 18804240. Its totient is φ = 2445552.

The previous prime is 7387799. The next prime is 7387813. The reversal of 7387812 is 2187837.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7387812² = 109159532294688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7387813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5239 + ... + 6497.

It is an arithmetic number, because the mean of its divisors is an integer number (522340).

Almost surely, 2^7387812 is an apocalyptic number.

It is an amenable number.

7387812 is an abundant number, since it is smaller than the sum of its proper divisors (11416428).

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

7387812 is a wasteful number, since it uses less digits than its factorization.

7387812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 7387812 is about 2718.0529796161. The cubic root of 7387812 is about 194.7624721280.

The spelling of 7387812 in words is "seven million, three hundred eighty-seven thousand, eight hundred twelve".