15740452 has 48 divisors (see below), whose sum is σ = 34376832. Its totient is φ = 6140160.

The previous prime is 15740443. The next prime is 15740471. The reversal of 15740452 is 25404751.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 15740452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29952 + ... + 30472.

It is an arithmetic number, because the mean of its divisors is an integer number (716184).

Almost surely, 2^15740452 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 15740452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17188416).

15740452 is an abundant number, since it is smaller than the sum of its proper divisors (18636380).

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

15740452 is a wasteful number, since it uses less digits than its factorization.

15740452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 15740452 is about 3967.4238493007. The cubic root of 15740452 is about 250.6142336322.

The spelling of 15740452 in words is "fifteen million, seven hundred forty thousand, four hundred fifty-two".