74671040 has 28 divisors (see below), whose sum is σ = 177811176. Its totient is φ = 29868288.

The previous prime is 74671019. The next prime is 74671061. The reversal of 74671040 is 4017647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74671019) and next prime (74671061).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74670994 and 74671012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116354 + ... + 116993.

Almost surely, 2^74671040 is an apocalyptic number.

It is an amenable number.

74671040 is an abundant number, since it is smaller than the sum of its proper divisors (103140136).

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

74671040 is a wasteful number, since it uses less digits than its factorization.

74671040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233364 (or 233354 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 74671040 is about 8641.2406516657. The cubic root of 74671040 is about 421.0988609767.

Adding to 74671040 its reverse (4017647), we get a palindrome (78688687).

The spelling of 74671040 in words is "seventy-four million, six hundred seventy-one thousand, forty".