74476047240 has 768 divisors, whose sum is σ = 310091328000. Its totient is φ = 15554488320.

The previous prime is 74476047209. The next prime is 74476047277. The reversal of 74476047240 is 4274067447.

74476047240 is a `hidden beast` number, since 74 + 4 + 76 + 0 + 472 + 40 = 666.

It is a super-2 number, since 2×74476047240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 79145170 + ... + 79146110.

It is an arithmetic number, because the mean of its divisors is an integer number (403764750).

Almost surely, 2^74476047240 is an apocalyptic number.

74476047240 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 74476047240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155045664000).

74476047240 is an abundant number, since it is smaller than the sum of its proper divisors (235615280760).

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

74476047240 is a wasteful number, since it uses less digits than its factorization.

74476047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 74476047240 in words is "seventy-four billion, four hundred seventy-six million, forty-seven thousand, two hundred forty".