23740620 has 24 divisors (see below), whose sum is σ = 66473904. Its totient is φ = 6330816.

The previous prime is 23740609. The next prime is 23740621. The reversal of 23740620 is 2604732.

It is not an unprimeable number, because it can be changed into a prime (23740621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197779 + ... + 197898.

It is an arithmetic number, because the mean of its divisors is an integer number (2769746).

Almost surely, 2^23740620 is an apocalyptic number.

23740620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23740620 is an abundant number, since it is smaller than the sum of its proper divisors (42733284).

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

23740620 is a wasteful number, since it uses less digits than its factorization.

23740620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395689 (or 395687 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 23740620 is about 4872.4347096703. The cubic root of 23740620 is about 287.4070071014.

The spelling of 23740620 in words is "twenty-three million, seven hundred forty thousand, six hundred twenty".