3507140 has 96 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 1059840.

The previous prime is 3507113. The next prime is 3507143. The reversal of 3507140 is 417053.

It is a happy number.

3507140 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3507143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74597 + ... + 74643.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

Almost surely, 2^3507140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3507140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4741632).

3507140 is an abundant number, since it is smaller than the sum of its proper divisors (5976124).

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

3507140 is a wasteful number, since it uses less digits than its factorization.

3507140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3507140 is about 1872.7359664405. The cubic root of 3507140 is about 151.9326224923.

The spelling of 3507140 in words is "three million, five hundred seven thousand, one hundred forty".