23782464 has 56 divisors (see below), whose sum is σ = 69921120. Its totient is φ = 7926912.

The previous prime is 23782463. The next prime is 23782489. The reversal of 23782464 is 46428732.

It is a super-2 number, since 2×23782464² = 1131211187822592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23782463) 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, 5154 + ... + 8609.

Almost surely, 2^23782464 is an apocalyptic number.

23782464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23782464 is an abundant number, since it is smaller than the sum of its proper divisors (46138656).

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

23782464 is a wasteful number, since it uses less digits than its factorization.

23782464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784 (or 13768 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 23782464 is about 4876.7267711037. The cubic root of 23782464 is about 287.5757642792.

The spelling of 23782464 in words is "twenty-three million, seven hundred eighty-two thousand, four hundred sixty-four".