23870730 has 64 divisors (see below), whose sum is σ = 62431488. Its totient is φ = 5806080.

The previous prime is 23870729. The next prime is 23870753. The reversal of 23870730 is 3707832.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37515 + ... + 38145.

It is an arithmetic number, because the mean of its divisors is an integer number (975492).

Almost surely, 2^23870730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23870730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31215744).

23870730 is an abundant number, since it is smaller than the sum of its proper divisors (38560758).

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

23870730 is a wasteful number, since it uses less digits than its factorization.

23870730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 23870730 is about 4885.7681074730. The cubic root of 23870730 is about 287.9310936615.

23870730 divided by its sum of digits (30) gives a triangular number (795691 = T₁₂₆₁).

The spelling of 23870730 in words is "twenty-three million, eight hundred seventy thousand, seven hundred thirty".