23729454 has 48 divisors (see below), whose sum is σ = 60023808. Its totient is φ = 6633936.

The previous prime is 23729443. The next prime is 23729479. The reversal of 23729454 is 45492732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3919 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (1250496).

Almost surely, 2^23729454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23729454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30011904).

23729454 is an abundant number, since it is smaller than the sum of its proper divisors (36294354).

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

23729454 is a wasteful number, since it uses less digits than its factorization.

23729454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4066 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23729454 is about 4871.2887411854. The cubic root of 23729454 is about 287.3619410234.

The spelling of 23729454 in words is "twenty-three million, seven hundred twenty-nine thousand, four hundred fifty-four".