75103407 has 24 divisors (see below), whose sum is σ = 110388096. Its totient is φ = 49198416.

The previous prime is 75103403. The next prime is 75103423. The reversal of 75103407 is 70430157.

It is not a de Polignac number, because 75103407 - 2² = 75103403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75103403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160588 + ... + 161054.

It is an arithmetic number, because the mean of its divisors is an integer number (4599504).

Almost surely, 2^75103407 is an apocalyptic number.

75103407 is a deficient number, since it is larger than the sum of its proper divisors (35284689).

75103407 is a wasteful number, since it uses less digits than its factorization.

75103407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 75103407 is about 8666.2221873201. Note that the first 3 decimals coincide. The cubic root of 75103407 is about 421.9100588478.

The spelling of 75103407 in words is "seventy-five million, one hundred three thousand, four hundred seven".