74035689025 has 9 divisors (see below), whose sum is σ = 91805941411. Its totient is φ = 59227462840.

The previous prime is 74035689019. The next prime is 74035689037. The reversal of 74035689025 is 52098653047.

The square root of 74035689025 is 272095.

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., 26652848049 + 47382840976 = 163257^2 + 217676^2 .

It is not a de Polignac number, because 74035689025 - 2¹⁵ = 74035656257 is a prime.

It is a super-3 number, since 3×74035689025³ (a number of 34 digits) contains 333 as substring.

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 74035689025.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1333266 + ... + 1387684.

Almost surely, 2^74035689025 is an apocalyptic number.

74035689025 is the 272095-th square number.

74035689025 is the 136048-th centered octagonal number.

It is an amenable number.

74035689025 is a deficient number, since it is larger than the sum of its proper divisors (17770252386).

74035689025 is an frugal number, since it uses more digits than its factorization.

74035689025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108848 (or 54424 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

Multiplying 74035689025 by its sum of digits (49), we get a square (3627748762225 = 1904665²).

The spelling of 74035689025 in words is "seventy-four billion, thirty-five million, six hundred eighty-nine thousand, twenty-five".