74047074 has 32 divisors (see below), whose sum is σ = 155326464. Its totient is φ = 23488080.

The previous prime is 74047073. The next prime is 74047081. The reversal of 74047074 is 47074047.

It is a super-2 number, since 2×74047074² = 10965938335922952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74047073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27847 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (4853952).

Almost surely, 2^74047074 is an apocalyptic number.

74047074 is an abundant number, since it is smaller than the sum of its proper divisors (81279390).

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

74047074 is a wasteful number, since it uses less digits than its factorization.

74047074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 74047074 is about 8605.0609527185. The cubic root of 74047074 is about 419.9226501547.

Multiplying 74047074 by its sum of digits (33), we get a palindrome (2443553442).

Adding to 74047074 its reverse (47074047), we get a palindrome (121121121).

The spelling of 74047074 in words is "seventy-four million, forty-seven thousand, seventy-four".