7440474078 has 64 divisors (see below), whose sum is σ = 17186238720. Its totient is φ = 2383999776.

The previous prime is 7440474061. The next prime is 7440474109. The reversal of 7440474078 is 8704740447.

7440474078 is a `hidden beast` number, since 74 + 40 + 474 + 0 + 78 = 666.

It is a Curzon number.

It is a congruent number.

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, 143401 + ... + 188267.

It is an arithmetic number, because the mean of its divisors is an integer number (268534980).

Almost surely, 2^7440474078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7440474078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8593119360).

7440474078 is an abundant number, since it is smaller than the sum of its proper divisors (9745764642).

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

7440474078 is a wasteful number, since it uses less digits than its factorization.

7440474078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44998 (or 44992 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 7440474078 is about 86258.1826727181. The cubic root of 7440474078 is about 1952.2414792896.

The spelling of 7440474078 in words is "seven billion, four hundred forty million, four hundred seventy-four thousand, seventy-eight".