74418480 has 160 divisors (see below), whose sum is σ = 259269120. Its totient is φ = 19618560.

The previous prime is 74418479. The next prime is 74418511. The reversal of 74418480 is 8481447.

It is a happy number.

It is a super-2 number, since 2×74418480² = 11076220331020800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282829 + ... + 283091.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^74418480 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 74418480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129634560).

74418480 is an abundant number, since it is smaller than the sum of its proper divisors (184850640).

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

74418480 is a wasteful number, since it uses less digits than its factorization.

74418480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 74418480 is about 8626.6146314762. The cubic root of 74418480 is about 420.6235635485.

The spelling of 74418480 in words is "seventy-four million, four hundred eighteen thousand, four hundred eighty".