74807191946830 has 96 divisors (see below), whose sum is σ = 157217559508800. Its totient is φ = 25553151816192.

The previous prime is 74807191946731. The next prime is 74807191946833. The reversal of 74807191946830 is 3864919170847.

It is a super-2 number, since 2×74807191946830² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74807191946833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1966572951 + ... + 1966610989.

It is an arithmetic number, because the mean of its divisors is an integer number (1637682911550).

Almost surely, 2^{74807191946830} is an apocalyptic number.

74807191946830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74807191946830 is an abundant number, since it is smaller than the sum of its proper divisors (82410367561970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74807191946830 is a wasteful number, since it uses less digits than its factorization.

74807191946830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52826 (or 52819 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 74807191946830 in words is "seventy-four trillion, eight hundred seven billion, one hundred ninety-one million, nine hundred forty-six thousand, eight hundred thirty".