74585070 has 256 divisors, whose sum is σ = 250675200. Its totient is φ = 15396480.

The previous prime is 74585057. The next prime is 74585087. The reversal of 74585070 is 7058547.

74585070 is a `hidden beast` number, since 7 + 4 + 585 + 0 + 70 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1113177 + ... + 1113243.

It is an arithmetic number, because the mean of its divisors is an integer number (979200).

Almost surely, 2^74585070 is an apocalyptic number.

74585070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74585070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125337600).

74585070 is an abundant number, since it is smaller than the sum of its proper divisors (176090130).

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

74585070 is a wasteful number, since it uses less digits than its factorization.

74585070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 74585070 is about 8636.2648176165. The cubic root of 74585070 is about 420.9371928956.

The spelling of 74585070 in words is "seventy-four million, five hundred eighty-five thousand, seventy".