74700870 has 16 divisors (see below), whose sum is σ = 179282160. Its totient is φ = 19920224.

The previous prime is 74700869. The next prime is 74700877. The reversal of 74700870 is 7800747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74700877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244985 + ... + 1245044.

It is an arithmetic number, because the mean of its divisors is an integer number (11205135).

Almost surely, 2^74700870 is an apocalyptic number.

74700870 is an abundant number, since it is smaller than the sum of its proper divisors (104581290).

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

74700870 is a wasteful number, since it uses less digits than its factorization.

74700870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490039.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 74700870 is about 8642.9665046210. The cubic root of 74700870 is about 421.1549278120.

The spelling of 74700870 in words is "seventy-four million, seven hundred thousand, eight hundred seventy".