74691640510 has 16 divisors (see below), whose sum is σ = 134528643936. Its totient is φ = 29858058208.

The previous prime is 74691640477. The next prime is 74691640511. The reversal of 74691640510 is 1504619647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74691640511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307877 + ... + 2340016.

It is an arithmetic number, because the mean of its divisors is an integer number (8408040246).

Almost surely, 2^74691640510 is an apocalyptic number.

74691640510 is a deficient number, since it is larger than the sum of its proper divisors (59837003426).

74691640510 is a wasteful number, since it uses less digits than its factorization.

74691640510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649507.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 74691640510 in words is "seventy-four billion, six hundred ninety-one million, six hundred forty thousand, five hundred ten".