74690703616 has 243 divisors, whose sum is σ = 168388829973. Its totient is φ = 33057884160.

The previous prime is 74690703589. The next prime is 74690703641. The reversal of 74690703616 is 61630709647.

It is a happy number.

The square root of 74690703616 is 273296.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 39165993216 + 35524710400 = 197904^2 + 188480^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74690703616.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2409377521 + ... + 2409377551.

Almost surely, 2^74690703616 is an apocalyptic number.

74690703616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

74690703616 is the 273296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74690703616

74690703616 is an abundant number, since it is smaller than the sum of its proper divisors (93698126357).

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

74690703616 is an equidigital number, since it uses as much as digits as its factorization.

74690703616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

Multiplying 74690703616 by its sum of digits (49), we get a square (3659844477184 = 1913072²).

The spelling of 74690703616 in words is "seventy-four billion, six hundred ninety million, seven hundred three thousand, six hundred sixteen".