74020602245 has 4 divisors (see below), whose sum is σ = 88824722700. Its totient is φ = 59216481792.

The previous prime is 74020602199. The next prime is 74020602251. The reversal of 74020602245 is 54220602047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54220602047 = 96223 ⋅563489.

It can be written as a sum of positive squares in 2 ways, for example, as 26865176836 + 47155425409 = 163906^2 + 217153^2 .

It is a cyclic number.

It is not a de Polignac number, because 74020602245 - 2¹⁴ = 74020585861 is a prime.

It is a congruent number.

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, 7402060220 + ... + 7402060229.

It is an arithmetic number, because the mean of its divisors is an integer number (22206180675).

Almost surely, 2^74020602245 is an apocalyptic number.

It is an amenable number.

74020602245 is a deficient number, since it is larger than the sum of its proper divisors (14804120455).

74020602245 is a wasteful number, since it uses less digits than its factorization.

74020602245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804120454.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 74020602245 in words is "seventy-four billion, twenty million, six hundred two thousand, two hundred forty-five".