75342425 has 6 divisors (see below), whose sum is σ = 93424638. Its totient is φ = 60273920.

The previous prime is 75342401. The next prime is 75342427. The reversal of 75342425 is 52424357.

It can be written as a sum of positive squares in 3 ways, for example, as 27081616 + 48260809 = 5204^2 + 6947^2 .

It is not a de Polignac number, because 75342425 - 2⁶ = 75342361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75342391 and 75342400.

It is not an unprimeable number, because it can be changed into a prime (75342427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1506824 + ... + 1506873.

It is an arithmetic number, because the mean of its divisors is an integer number (15570773).

Almost surely, 2^75342425 is an apocalyptic number.

It is an amenable number.

75342425 is a deficient number, since it is larger than the sum of its proper divisors (18082213).

75342425 is a wasteful number, since it uses less digits than its factorization.

75342425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013707 (or 3013702 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 75342425 is about 8680.0014400920. The cubic root of 75342425 is about 422.3571637653.

It can be divided in two parts, 753424 and 25, that multiplied together give a square (18835600 = 4340²).

The spelling of 75342425 in words is "seventy-five million, three hundred forty-two thousand, four hundred twenty-five".