7542312 has 16 divisors (see below), whose sum is σ = 18855840. Its totient is φ = 2514096.

The previous prime is 7542289. The next prime is 7542313. The reversal of 7542312 is 2132457.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 314263 = 7542312 / (7 + 5 + 4 + 2 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (7542313) 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, 157108 + ... + 157155.

It is an arithmetic number, because the mean of its divisors is an integer number (1178490).

Almost surely, 2^7542312 is an apocalyptic number.

It is an amenable number.

7542312 is an abundant number, since it is smaller than the sum of its proper divisors (11313528).

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

7542312 is a wasteful number, since it uses less digits than its factorization.

7542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314272 (or 314268 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 7542312 is about 2746.3270016515. The cubic root of 7542312 is about 196.1107939467.

Adding to 7542312 its reverse (2132457), we get a palindrome (9674769).

The spelling of 7542312 in words is "seven million, five hundred forty-two thousand, three hundred twelve".