15272940 has 48 divisors (see below), whose sum is σ = 42934752. Its totient is φ = 4056576.

The previous prime is 15272927. The next prime is 15272963. The reversal of 15272940 is 4927251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15272898 and 15272907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27142 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (894474).

Almost surely, 2^15272940 is an apocalyptic number.

15272940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15272940 is an abundant number, since it is smaller than the sum of its proper divisors (27661812).

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

15272940 is a wasteful number, since it uses less digits than its factorization.

15272940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 15272940 is about 3908.0609002420. The cubic root of 15272940 is about 248.1080651137.

The spelling of 15272940 in words is "fifteen million, two hundred seventy-two thousand, nine hundred forty".