74847690809 has 16 divisors (see below), whose sum is σ = 78599906304. Its totient is φ = 71186169600.

The previous prime is 74847690791. The next prime is 74847690817. The reversal of 74847690809 is 90809674847.

It is a cyclic number.

It is not a de Polignac number, because 74847690809 - 2⁸ = 74847690553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74847692809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577052 + ... + 694754.

It is an arithmetic number, because the mean of its divisors is an integer number (4912494144).

Almost surely, 2^74847690809 is an apocalyptic number.

It is an amenable number.

74847690809 is a deficient number, since it is larger than the sum of its proper divisors (3752215495).

74847690809 is a wasteful number, since it uses less digits than its factorization.

74847690809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118088.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 74847690809 in words is "seventy-four billion, eight hundred forty-seven million, six hundred ninety thousand, eight hundred nine".