74478357363832 has 8 divisors (see below), whose sum is σ = 139646920057200. Its totient is φ = 37239178681912.

The previous prime is 74478357363821. The next prime is 74478357363857. The reversal of 74478357363832 is 23836375387447.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74478357363832² (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 as a sum of consecutive naturals, namely, 4654897335232 + ... + 4654897335247.

It is an arithmetic number, because the mean of its divisors is an integer number (17455865007150).

Almost surely, 2^{74478357363832} is an apocalyptic number.

It is an amenable number.

74478357363832 is a deficient number, since it is larger than the sum of its proper divisors (65168562693368).

74478357363832 is a wasteful number, since it uses less digits than its factorization.

74478357363832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309794670485 (or 9309794670481 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 70.

The spelling of 74478357363832 in words is "seventy-four trillion, four hundred seventy-eight billion, three hundred fifty-seven million, three hundred sixty-three thousand, eight hundred thirty-two".