74515272040 has 64 divisors (see below), whose sum is σ = 186792687360. Its totient is φ = 26519934720.

The previous prime is 74515271969. The next prime is 74515272077. The reversal of 74515272040 is 4027251547.

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 15 ways as a sum of consecutive naturals, for example, 1780947 + ... + 1822306.

It is an arithmetic number, because the mean of its divisors is an integer number (2918635740).

Almost surely, 2^74515272040 is an apocalyptic number.

It is an amenable number.

74515272040 is an abundant number, since it is smaller than the sum of its proper divisors (112277415320).

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

74515272040 is a wasteful number, since it uses less digits than its factorization.

74515272040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603322 (or 3603318 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 74515272040 in words is "seventy-four billion, five hundred fifteen million, two hundred seventy-two thousand, forty".