74288786040 has 256 divisors, whose sum is σ = 285652915200. Its totient is φ = 16821416448.

The previous prime is 74288785973. The next prime is 74288786069. The reversal of 74288786040 is 4068788247.

It is a happy number.

74288786040 is a `hidden beast` number, since 7 + 4 + 28 + 8 + 7 + 8 + 604 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 763002 + ... + 854838.

It is an arithmetic number, because the mean of its divisors is an integer number (1115831700).

Almost surely, 2^74288786040 is an apocalyptic number.

74288786040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74288786040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142826457600).

74288786040 is an abundant number, since it is smaller than the sum of its proper divisors (211364129160).

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

74288786040 is a wasteful number, since it uses less digits than its factorization.

74288786040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91971 (or 91961 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 74288786040 in words is "seventy-four billion, two hundred eighty-eight million, seven hundred eighty-six thousand, forty".