74143625 has 8 divisors (see below), whose sum is σ = 92531400. Its totient is φ = 59314800.

The previous prime is 74143603. The next prime is 74143631. The reversal of 74143625 is 52634147.

It can be written as a sum of positive squares in 4 ways, for example, as 13053769 + 61089856 = 3613^2 + 7816^2 .

It is not a de Polignac number, because 74143625 - 2⁸ = 74143369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74143591 and 74143600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296450 + ... + 296699.

It is an arithmetic number, because the mean of its divisors is an integer number (11566425).

Almost surely, 2^74143625 is an apocalyptic number.

It is an amenable number.

74143625 is a deficient number, since it is larger than the sum of its proper divisors (18387775).

74143625 is an equidigital number, since it uses as much as digits as its factorization.

74143625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593164 (or 593154 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 74143625 is about 8610.6692538966. The cubic root of 74143625 is about 420.1050851942.

The spelling of 74143625 in words is "seventy-four million, one hundred forty-three thousand, six hundred twenty-five".