3720774 has 16 divisors (see below), whose sum is σ = 7479360. Its totient is φ = 1233960.

The previous prime is 3720767. The next prime is 3720781. The reversal of 3720774 is 4770273.

3720774 = 13² + 14² + ... + 223².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3720767) and next prime (3720781).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (467460).

Almost surely, 2^3720774 is an apocalyptic number.

3720774 is an abundant number, since it is smaller than the sum of its proper divisors (3758586).

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

3720774 is a wasteful number, since it uses less digits than its factorization.

3720774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 3720774 is about 1928.9307919156. The cubic root of 3720774 is about 154.9569634246.

The spelling of 3720774 in words is "three million, seven hundred twenty thousand, seven hundred seventy-four".