74789746 has 8 divisors (see below), whose sum is σ = 112223664. Its totient is φ = 37381860.

The previous prime is 74789713. The next prime is 74789747. The reversal of 74789746 is 64798747.

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

It is a super-2 number, since 2×74789746² = 11187012213489032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74789693 and 74789702.

It is not an unprimeable number, because it can be changed into a prime (74789747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (14027958).

Almost surely, 2^74789746 is an apocalyptic number.

74789746 is a deficient number, since it is larger than the sum of its proper divisors (37433918).

74789746 is a wasteful number, since it uses less digits than its factorization.

74789746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016.

The product of its digits is 2370816, while the sum is 52.

The square root of 74789746 is about 8648.1064979566. The cubic root of 74789746 is about 421.3218858439.

Subtracting from 74789746 its reverse (64798747), we obtain a palindrome (9990999).

The spelling of 74789746 in words is "seventy-four million, seven hundred eighty-nine thousand, seven hundred forty-six".