74402825 has 18 divisors (see below), whose sum is σ = 107324046. Its totient is φ = 51018240.

The previous prime is 74402813. The next prime is 74402827. The reversal of 74402825 is 52820447.

It can be written as a sum of positive squares in 3 ways, for example, as 8809024 + 65593801 = 2968^2 + 8099^2 .

It is not a de Polignac number, because 74402825 - 2¹⁰ = 74401801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74402791 and 74402800.

It is not an unprimeable number, because it can be changed into a prime (74402827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29144 + ... + 31593.

It is an arithmetic number, because the mean of its divisors is an integer number (5962447).

Almost surely, 2^74402825 is an apocalyptic number.

It is an amenable number.

74402825 is a deficient number, since it is larger than the sum of its proper divisors (32921221).

74402825 is a wasteful number, since it uses less digits than its factorization.

74402825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60761 (or 60749 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 74402825 is about 8625.7072173822. The cubic root of 74402825 is about 420.5940667367.

The spelling of 74402825 in words is "seventy-four million, four hundred two thousand, eight hundred twenty-five".