74607055147 has 4 divisors (see below), whose sum is σ = 78533742280. Its totient is φ = 70680368016.

The previous prime is 74607055139. The next prime is 74607055157. The reversal of 74607055147 is 74155070647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74607055147 - 2³ = 74607055139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74607055097 and 74607055106.

It is not an unprimeable number, because it can be changed into a prime (74607055157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963343538 + ... + 1963343575.

It is an arithmetic number, because the mean of its divisors is an integer number (19633435570).

Almost surely, 2^74607055147 is an apocalyptic number.

74607055147 is a deficient number, since it is larger than the sum of its proper divisors (3926687133).

74607055147 is a wasteful number, since it uses less digits than its factorization.

74607055147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926687132.

The product of its (nonzero) digits is 823200, while the sum is 46.

It can be divided in two parts, 7460 and 7055147, that added together give a palindrome (7062607).

The spelling of 74607055147 in words is "seventy-four billion, six hundred seven million, fifty-five thousand, one hundred forty-seven".