75345002 has 4 divisors (see below), whose sum is σ = 113017506. Its totient is φ = 37672500.

The previous prime is 75344981. The next prime is 75345007. The reversal of 75345002 is 20054357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20054357 = 149 ⋅134593.

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 2430481 = 8539^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (75345007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18836249 + ... + 18836252.

Almost surely, 2^75345002 is an apocalyptic number.

75345002 is a deficient number, since it is larger than the sum of its proper divisors (37672504).

75345002 is a wasteful number, since it uses less digits than its factorization.

75345002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37672503.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 75345002 is about 8680.1498834986. The cubic root of 75345002 is about 422.3619791222.

Adding to 75345002 its reverse (20054357), we get a palindrome (95399359).

The spelling of 75345002 in words is "seventy-five million, three hundred forty-five thousand, two".