3620072 has 16 divisors (see below), whose sum is σ = 6825060. Its totient is φ = 1800064.

The previous prime is 3620069. The next prime is 3620083. The reversal of 3620072 is 2700263.

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 329476 = 1814^2 + 574^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428 + ... + 2724.

Almost surely, 2^3620072 is an apocalyptic number.

It is an amenable number.

3620072 is a deficient number, since it is larger than the sum of its proper divisors (3204988).

3620072 is a wasteful number, since it uses less digits than its factorization.

3620072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3620072 is about 1902.6486801299. The cubic root of 3620072 is about 153.5461987861.

The spelling of 3620072 in words is "three million, six hundred twenty thousand, seventy-two".