74610040 has 32 divisors (see below), whose sum is σ = 173664000. Its totient is φ = 28814464.

The previous prime is 74610023. The next prime is 74610047. The reversal of 74610040 is 4001647.

It is a junction number, because it is equal to n+sod(n) for n = 74609993 and 74610020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74610047) 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, 31000 + ... + 33319.

It is an arithmetic number, because the mean of its divisors is an integer number (5427000).

Almost surely, 2^74610040 is an apocalyptic number.

It is an amenable number.

74610040 is an abundant number, since it is smaller than the sum of its proper divisors (99053960).

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

74610040 is a wasteful number, since it uses less digits than its factorization.

74610040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64359 (or 64355 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74610040 is about 8637.7103447615. The cubic root of 74610040 is about 420.9841622108.

Adding to 74610040 its reverse (4001647), we get a palindrome (78611687).

The spelling of 74610040 in words is "seventy-four million, six hundred ten thousand, forty".