15714420 has 48 divisors (see below), whose sum is σ = 44274048. Its totient is φ = 4164480.

The previous prime is 15714407. The next prime is 15714431. The reversal of 15714420 is 2441751.

It is a congruent number.

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, 10137 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (922376).

Almost surely, 2^15714420 is an apocalyptic number.

15714420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15714420 is an abundant number, since it is smaller than the sum of its proper divisors (28559628).

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

15714420 is a wasteful number, since it uses less digits than its factorization.

15714420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1638 counting only the distinct ones).

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

The square root of 15714420 is about 3964.1417734486. The cubic root of 15714420 is about 250.4759997883.

The spelling of 15714420 in words is "fifteen million, seven hundred fourteen thousand, four hundred twenty".