23742370 has 16 divisors (see below), whose sum is σ = 45250488. Its totient is φ = 8938240.

The previous prime is 23742361. The next prime is 23742377. The reversal of 23742370 is 7324732.

It can be written as a sum of positive squares in 4 ways, for example, as 21911761 + 1830609 = 4681^2 + 1353^2 .

It is not an unprimeable number, because it can be changed into a prime (23742377) 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, 69661 + ... + 70000.

Almost surely, 2^23742370 is an apocalyptic number.

23742370 is a deficient number, since it is larger than the sum of its proper divisors (21508118).

23742370 is a wasteful number, since it uses less digits than its factorization.

23742370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139685.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 23742370 is about 4872.6142880388. The cubic root of 23742370 is about 287.4140688365.

The spelling of 23742370 in words is "twenty-three million, seven hundred forty-two thousand, three hundred seventy".