3730509 has 16 divisors (see below), whose sum is σ = 5706240. Its totient is φ = 2406240.

The previous prime is 3730499. The next prime is 3730537. The reversal of 3730509 is 9050373.

It is not a de Polignac number, because 3730509 - 2⁷ = 3730381 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (356640).

Almost surely, 2^3730509 is an apocalyptic number.

It is an amenable number.

3730509 is a deficient number, since it is larger than the sum of its proper divisors (1975731).

3730509 is a wasteful number, since it uses less digits than its factorization.

3730509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 3730509 is about 1931.4525621925. The cubic root of 3730509 is about 155.0919884073.

The spelling of 3730509 in words is "three million, seven hundred thirty thousand, five hundred nine".