15274140 has 96 divisors (see below), whose sum is σ = 50125824. Its totient is φ = 3402240.

The previous prime is 15274117. The next prime is 15274141. The reversal of 15274140 is 4147251.

It is a self number, because there is not a number n which added to its sum of digits gives 15274140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15274141) 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, 16777 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (522144).

Almost surely, 2^15274140 is an apocalyptic number.

15274140 is a gapful number since it is divisible by the number (10) 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 15274140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25062912).

15274140 is an abundant number, since it is smaller than the sum of its proper divisors (34851684).

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

15274140 is a wasteful number, since it uses less digits than its factorization.

15274140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 15274140 is about 3908.2144260519. The cubic root of 15274140 is about 248.1145629214.

The spelling of 15274140 in words is "fifteen million, two hundred seventy-four thousand, one hundred forty".