23742406 has 4 divisors (see below), whose sum is σ = 35613612. Its totient is φ = 11871202.

The previous prime is 23742401. The next prime is 23742409. The reversal of 23742406 is 60424732.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23742401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935600 + ... + 5935603.

It is an arithmetic number, because the mean of its divisors is an integer number (8903403).

Almost surely, 2^23742406 is an apocalyptic number.

23742406 is a deficient number, since it is larger than the sum of its proper divisors (11871206).

23742406 is a wasteful number, since it uses less digits than its factorization.

23742406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871205.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 23742406 is about 4872.6179821529. The cubic root of 23742406 is about 287.4142141028.

The spelling of 23742406 in words is "twenty-three million, seven hundred forty-two thousand, four hundred six".