74470608 has 120 divisors (see below), whose sum is σ = 228501000. Its totient is φ = 22536192.

The previous prime is 74470577. The next prime is 74470621. The reversal of 74470608 is 80607447.

It is a happy number.

74470608 is a `hidden beast` number, since 7 + 4 + 47 + 0 + 608 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37601424 + 36869184 = 6132^2 + 6072^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70468 + ... + 71516.

It is an arithmetic number, because the mean of its divisors is an integer number (1904175).

Almost surely, 2^74470608 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 74470608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114250500).

74470608 is an abundant number, since it is smaller than the sum of its proper divisors (154030392).

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

74470608 is a wasteful number, since it uses less digits than its factorization.

74470608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74470608 is about 8629.6354500060. The cubic root of 74470608 is about 420.7217521863.

It can be divided in two parts, 74470 and 608, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 74470608 in words is "seventy-four million, four hundred seventy thousand, six hundred eight".