74254555545245 has 16 divisors (see below), whose sum is σ = 91993734151680. Its totient is φ = 57478711838400.

The previous prime is 74254555545223. The next prime is 74254555545253. The reversal of 74254555545245 is 54254555545247.

It is not a de Polignac number, because 74254555545245 - 2³⁰ = 74253481803421 is a prime.

It is a super-2 number, since 2×74254555545245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35162426 + ... + 37214315.

It is an arithmetic number, because the mean of its divisors is an integer number (5749608384480).

Almost surely, 2^{74254555545245} is an apocalyptic number.

It is an amenable number.

74254555545245 is a deficient number, since it is larger than the sum of its proper divisors (17739178606435).

74254555545245 is a wasteful number, since it uses less digits than its factorization.

74254555545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72383396.

The product of its digits is 560000000, while the sum is 62.

The spelling of 74254555545245 in words is "seventy-four trillion, two hundred fifty-four billion, five hundred fifty-five million, five hundred forty-five thousand, two hundred forty-five".