23620745 has 8 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 18875056.

The previous prime is 23620739. The next prime is 23620771. The reversal of 23620745 is 54702632.

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

It is a cyclic number.

It is not a de Polignac number, because 23620745 - 2⁸ = 23620489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3374 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (3547152).

Almost surely, 2^23620745 is an apocalyptic number.

It is an amenable number.

23620745 is a deficient number, since it is larger than the sum of its proper divisors (4756471).

23620745 is a wasteful number, since it uses less digits than its factorization.

23620745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23620745 is about 4860.1177969263. The cubic root of 23620745 is about 286.9224498796.

The spelling of 23620745 in words is "twenty-three million, six hundred twenty thousand, seven hundred forty-five".