23742755 has 16 divisors (see below), whose sum is σ = 29528064. Its totient is φ = 18315360.

The previous prime is 23742737. The next prime is 23742773. The reversal of 23742755 is 55724732.

It is an interprime number because it is at equal distance from previous prime (23742737) and next prime (23742773).

It is not a de Polignac number, because 23742755 - 2¹⁴ = 23726371 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 15 ways as a sum of consecutive naturals, for example, 15974 + ... + 17396.

It is an arithmetic number, because the mean of its divisors is an integer number (1845504).

Almost surely, 2^23742755 is an apocalyptic number.

23742755 is a deficient number, since it is larger than the sum of its proper divisors (5785309).

23742755 is a wasteful number, since it uses less digits than its factorization.

23742755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its digits is 58800, while the sum is 35.

The square root of 23742755 is about 4872.6537943917. The cubic root of 23742755 is about 287.4156223716.

The spelling of 23742755 in words is "twenty-three million, seven hundred forty-two thousand, seven hundred fifty-five".