74479000 has 64 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 29344000.

The previous prime is 74478997. The next prime is 74479003. The reversal of 74479000 is 97447.

It is an interprime number because it is at equal distance from previous prime (74478997) and next prime (74479003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74479003) 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, 70476 + ... + 71524.

It is an arithmetic number, because the mean of its divisors is an integer number (2764125).

Almost surely, 2^74479000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74479000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88452000).

74479000 is an abundant number, since it is smaller than the sum of its proper divisors (102425000).

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

74479000 is a wasteful number, since it uses less digits than its factorization.

74479000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1127 counting only the distinct ones).

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

The square root of 74479000 is about 8630.1216677403. The cubic root of 74479000 is about 420.7375551293.

The spelling of 74479000 in words is "seventy-four million, four hundred seventy-nine thousand".