74550998907 has 24 divisors (see below), whose sum is σ = 134256345600. Its totient is φ = 38727791280.

The previous prime is 74550998887. The next prime is 74550998933. The reversal of 74550998907 is 70989905547.

74550998907 is a `hidden beast` number, since 7 + 45 + 509 + 9 + 89 + 0 + 7 = 666.

It is not a de Polignac number, because 74550998907 - 2¹⁶ = 74550933371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (74550998947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53787907 + ... + 53789292.

It is an arithmetic number, because the mean of its divisors is an integer number (5594014400).

Almost surely, 2^74550998907 is an apocalyptic number.

74550998907 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

74550998907 is a deficient number, since it is larger than the sum of its proper divisors (59705346693).

74550998907 is a wasteful number, since it uses less digits than its factorization.

74550998907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107577223 (or 107577220 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 74550998907 in words is "seventy-four billion, five hundred fifty million, nine hundred ninety-eight thousand, nine hundred seven".