23572738 has 8 divisors (see below), whose sum is σ = 40410432. Its totient is φ = 10102596.

The previous prime is 23572733. The next prime is 23572753. The reversal of 23572738 is 83727532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23572697 and 23572706.

It is not an unprimeable number, because it can be changed into a prime (23572733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841870 + ... + 841897.

It is an arithmetic number, because the mean of its divisors is an integer number (5051304).

Almost surely, 2^23572738 is an apocalyptic number.

23572738 is a deficient number, since it is larger than the sum of its proper divisors (16837694).

23572738 is a wasteful number, since it uses less digits than its factorization.

23572738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683776.

The product of its digits is 70560, while the sum is 37.

The square root of 23572738 is about 4855.1764128608. The cubic root of 23572738 is about 286.7279368465.

It can be divided in two parts, 23572 and 738, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 23572738 in words is "twenty-three million, five hundred seventy-two thousand, seven hundred thirty-eight".