75715040 has 24 divisors (see below), whose sum is σ = 178877160. Its totient is φ = 30285952.

The previous prime is 75715033. The next prime is 75715043. The reversal of 75715040 is 4051757.

It is a junction number, because it is equal to n+sod(n) for n = 75714994 and 75715012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75715043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236450 + ... + 236769.

It is an arithmetic number, because the mean of its divisors is an integer number (7453215).

Almost surely, 2^75715040 is an apocalyptic number.

It is an amenable number.

75715040 is an abundant number, since it is smaller than the sum of its proper divisors (103162120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75715040 is a wasteful number, since it uses less digits than its factorization.

75715040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473234 (or 473226 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75715040 is about 8701.4389614592. The cubic root of 75715040 is about 423.0522917468.

Adding to 75715040 its reverse (4051757), we get a palindrome (79766797).

The spelling of 75715040 in words is "seventy-five million, seven hundred fifteen thousand, forty".