74475277220 has 48 divisors (see below), whose sum is σ = 166513012848. Its totient is φ = 27882823680.

The previous prime is 74475277187. The next prime is 74475277267. The reversal of 74475277220 is 2277257447.

It can be written as a sum of positive squares in 8 ways, for example, as 700025764 + 73775251456 = 26458^2 + 271616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543557 + ... + 666636.

It is an arithmetic number, because the mean of its divisors is an integer number (3469021101).

Almost surely, 2^74475277220 is an apocalyptic number.

It is an amenable number.

74475277220 is an abundant number, since it is smaller than the sum of its proper divisors (92037735628).

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

74475277220 is a wasteful number, since it uses less digits than its factorization.

74475277220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210400 (or 1210398 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 47.

The spelling of 74475277220 in words is "seventy-four billion, four hundred seventy-five million, two hundred seventy-seven thousand, two hundred twenty".