3709472 has 48 divisors (see below), whose sum is σ = 8110872. Its totient is φ = 1658880.

The previous prime is 3709457. The next prime is 3709487. The reversal of 3709472 is 2749073.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3709457) and next prime (3709487).

It can be written as a sum of positive squares in 4 ways, for example, as 3519376 + 190096 = 1876^2 + 436^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 15272 + ... + 15512.

Almost surely, 2^3709472 is an apocalyptic number.

3709472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3709472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4055436).

3709472 is an abundant number, since it is smaller than the sum of its proper divisors (4401400).

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

3709472 is a wasteful number, since it uses less digits than its factorization.

3709472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3709472 is about 1925.9989615781. The cubic root of 3709472 is about 154.7999083032.

3709472 divided by its sum of digits (32) gives a triangular number (115921 = T₄₈₁).

The spelling of 3709472 in words is "three million, seven hundred nine thousand, four hundred seventy-two".