75145916 has 24 divisors (see below), whose sum is σ = 140605920. Its totient is φ = 35016192.

The previous prime is 75145913. The next prime is 75145921. The reversal of 75145916 is 61954157.

It is a self number, because there is not a number n which added to its sum of digits gives 75145916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75145913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (5858580).

Almost surely, 2^75145916 is an apocalyptic number.

It is an amenable number.

75145916 is a deficient number, since it is larger than the sum of its proper divisors (65460004).

75145916 is a wasteful number, since it uses less digits than its factorization.

75145916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853 (or 10851 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 75145916 is about 8668.6744084664. The cubic root of 75145916 is about 421.9896450818.

The spelling of 75145916 in words is "seventy-five million, one hundred forty-five thousand, nine hundred sixteen".