7620012 has 36 divisors (see below), whose sum is σ = 20396376. Its totient is φ = 2390400.

The previous prime is 7619999. The next prime is 7620013. The reversal of 7620012 is 2100267.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7620013) 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, 5614 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (566566).

Almost surely, 2^7620012 is an apocalyptic number.

It is an amenable number.

7620012 is an abundant number, since it is smaller than the sum of its proper divisors (12776364).

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

7620012 is a wasteful number, since it uses less digits than its factorization.

7620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478 (or 12473 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7620012 is about 2760.4369219383. The cubic root of 7620012 is about 196.7819312184.

Adding to 7620012 its reverse (2100267), we get a palindrome (9720279).

The spelling of 7620012 in words is "seven million, six hundred twenty thousand, twelve".