74429678950 has 36 divisors (see below), whose sum is σ = 151037568468. Its totient is φ = 27063011200.

The previous prime is 74429678941. The next prime is 74429678951. The reversal of 74429678950 is 5987692447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74429678951) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 6392334 + ... + 6403966.

It is an arithmetic number, because the mean of its divisors is an integer number (4195488013).

Almost surely, 2^74429678950 is an apocalyptic number.

74429678950 is an abundant number, since it is smaller than the sum of its proper divisors (76607889518).

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

74429678950 is an equidigital number, since it uses as much as digits as its factorization.

74429678950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23289 (or 11651 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 74429678950 in words is "seventy-four billion, four hundred twenty-nine million, six hundred seventy-eight thousand, nine hundred fifty".