75040102 has 4 divisors (see below), whose sum is σ = 112560156. Its totient is φ = 37520050.

The previous prime is 75040093. The next prime is 75040211. The reversal of 75040102 is 20104057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20104057 = 2879 ⋅6983.

It is a self number, because there is not a number n which added to its sum of digits gives 75040102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18760024 + ... + 18760027.

It is an arithmetic number, because the mean of its divisors is an integer number (28140039).

Almost surely, 2^75040102 is an apocalyptic number.

75040102 is a deficient number, since it is larger than the sum of its proper divisors (37520054).

75040102 is a wasteful number, since it uses less digits than its factorization.

75040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37520053.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 75040102 is about 8662.5690184841. The cubic root of 75040102 is about 421.7914822290.

Adding to 75040102 its reverse (20104057), we get a palindrome (95144159).

The spelling of 75040102 in words is "seventy-five million, forty thousand, one hundred two".