23464728 has 120 divisors (see below), whose sum is σ = 76556700. Its totient is φ = 6695136.

The previous prime is 23464717. The next prime is 23464733. The reversal of 23464728 is 82746432.

23464728 is a `hidden beast` number, since 2 + 3 + 4 + 647 + 2 + 8 = 666.

It is a super-2 number, since 2×23464728² = 1101186920227968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23464692 and 23464701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 31383 + ... + 32121.

Almost surely, 2^23464728 is an apocalyptic number.

23464728 is a gapful number since it is divisible by the number (28) 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 23464728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38278350).

23464728 is an abundant number, since it is smaller than the sum of its proper divisors (53091972).

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

23464728 is a wasteful number, since it uses less digits than its factorization.

23464728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 751 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 23464728 is about 4844.0404622588. The cubic root of 23464728 is about 286.2893383005.

The spelling of 23464728 in words is "twenty-three million, four hundred sixty-four thousand, seven hundred twenty-eight".