3720612 has 24 divisors (see below), whose sum is σ = 9921856. Its totient is φ = 1063008.

The previous prime is 3720583. The next prime is 3720617. The reversal of 3720612 is 2160273.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3720617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22063 + ... + 22230.

Almost surely, 2^3720612 is an apocalyptic number.

It is an amenable number.

3720612 is an abundant number, since it is smaller than the sum of its proper divisors (6201244).

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

3720612 is a wasteful number, since it uses less digits than its factorization.

3720612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44307 (or 44305 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3720612 is about 1928.8887992832. Note that the first 3 decimals coincide. The cubic root of 3720612 is about 154.9547144846.

Adding to 3720612 its reverse (2160273), we get a palindrome (5880885).

The spelling of 3720612 in words is "three million, seven hundred twenty thousand, six hundred twelve".