3720740 has 12 divisors (see below), whose sum is σ = 7813596. Its totient is φ = 1488288.

The previous prime is 3720707. The next prime is 3720767. The reversal of 3720740 is 470273.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 1721344 = 1414^2 + 1312^2 .

It is a super-2 number, since 2×3720740² = 27687812295200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92999 + ... + 93038.

It is an arithmetic number, because the mean of its divisors is an integer number (651133).

Almost surely, 2^3720740 is an apocalyptic number.

It is an amenable number.

3720740 is an abundant number, since it is smaller than the sum of its proper divisors (4092856).

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

3720740 is a wasteful number, since it uses less digits than its factorization.

3720740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186046 (or 186044 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 3720740 is about 1928.9219787228. The cubic root of 3720740 is about 154.9564914303.

The spelling of 3720740 in words is "three million, seven hundred twenty thousand, seven hundred forty".