75138315 has 24 divisors (see below), whose sum is σ = 139850640. Its totient is φ = 34348608.

The previous prime is 75138269. The next prime is 75138353. The reversal of 75138315 is 51383157.

It is not a de Polignac number, because 75138315 - 2⁶ = 75138251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50380 + ... + 51849.

It is an arithmetic number, because the mean of its divisors is an integer number (5827110).

Almost surely, 2^75138315 is an apocalyptic number.

75138315 is a deficient number, since it is larger than the sum of its proper divisors (64712325).

75138315 is a wasteful number, since it uses less digits than its factorization.

75138315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102251 (or 102244 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 75138315 is about 8668.2359797135. The cubic root of 75138315 is about 421.9754165355.

The spelling of 75138315 in words is "seventy-five million, one hundred thirty-eight thousand, three hundred fifteen".