3738729 has 4 divisors (see below), whose sum is σ = 4984976. Its totient is φ = 2492484.

The previous prime is 3738701. The next prime is 3738733. The reversal of 3738729 is 9278373.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3738729 - 2¹³ = 3730537 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3738769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623119 + ... + 623124.

It is an arithmetic number, because the mean of its divisors is an integer number (1246244).

Almost surely, 2^3738729 is an apocalyptic number.

It is an amenable number.

3738729 is a deficient number, since it is larger than the sum of its proper divisors (1246247).

3738729 is a wasteful number, since it uses less digits than its factorization.

3738729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246246.

The product of its digits is 63504, while the sum is 39.

The square root of 3738729 is about 1933.5793234310. The cubic root of 3738729 is about 155.2058174609.

The spelling of 3738729 in words is "three million, seven hundred thirty-eight thousand, seven hundred twenty-nine".