74473388 has 24 divisors (see below), whose sum is σ = 149661120. Its totient is φ = 32069520.

The previous prime is 74473387. The next prime is 74473393. The reversal of 74473388 is 88337447.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (74473387) 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, 43706 + ... + 45377.

It is an arithmetic number, because the mean of its divisors is an integer number (6235880).

Almost surely, 2^74473388 is an apocalyptic number.

It is an amenable number.

74473388 is an abundant number, since it is smaller than the sum of its proper divisors (75187732).

74473388 is a wasteful number, since it uses less digits than its factorization.

74473388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89117 (or 89115 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 74473388 is about 8629.7965213555. The cubic root of 74473388 is about 420.7269873251.

The spelling of 74473388 in words is "seventy-four million, four hundred seventy-three thousand, three hundred eighty-eight".