74724346946 has 8 divisors (see below), whose sum is σ = 112090789440. Its totient is φ = 37360750468.

The previous prime is 74724346937. The next prime is 74724347003. The reversal of 74724346946 is 64964342747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74724346891 and 74724346900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644606 + ... + 751641.

It is an arithmetic number, because the mean of its divisors is an integer number (14011348680).

Almost surely, 2^74724346946 is an apocalyptic number.

74724346946 is a deficient number, since it is larger than the sum of its proper divisors (37366442494).

74724346946 is a wasteful number, since it uses less digits than its factorization.

74724346946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423008.

The product of its digits is 24385536, while the sum is 56.

The spelling of 74724346946 in words is "seventy-four billion, seven hundred twenty-four million, three hundred forty-six thousand, nine hundred forty-six".