74007940 has 12 divisors (see below), whose sum is σ = 155416716. Its totient is φ = 29603168.

The previous prime is 74007931. The next prime is 74007961. The reversal of 74007940 is 4970047.

It can be written as a sum of positive squares in 2 ways, for example, as 39715204 + 34292736 = 6302^2 + 5856^2 .

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, 1850179 + ... + 1850218.

It is an arithmetic number, because the mean of its divisors is an integer number (12951393).

Almost surely, 2^74007940 is an apocalyptic number.

It is an amenable number.

74007940 is an abundant number, since it is smaller than the sum of its proper divisors (81408776).

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

74007940 is a wasteful number, since it uses less digits than its factorization.

74007940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700406 (or 3700404 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 74007940 is about 8602.7867577896. The cubic root of 74007940 is about 419.8486605156.

Adding to 74007940 its reverse (4970047), we get a palindrome (78977987).

It can be divided in two parts, 74007 and 940, that added together give a palindrome (74947).

The spelling of 74007940 in words is "seventy-four million, seven thousand, nine hundred forty".