47262728 has 32 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 22276800.

The previous prime is 47262713. The next prime is 47262757. The reversal of 47262728 is 82726274.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 47262691 and 47262700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35678 + ... + 36978.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500).

Almost surely, 2^47262728 is an apocalyptic number.

It is an amenable number.

47262728 is a deficient number, since it is larger than the sum of its proper divisors (46481272).

47262728 is a wasteful number, since it uses less digits than its factorization.

47262728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1561 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 47262728 is about 6874.7893058624. The cubic root of 47262728 is about 361.5537983952.

The spelling of 47262728 in words is "forty-seven million, two hundred sixty-two thousand, seven hundred twenty-eight".