75480715 has 4 divisors (see below), whose sum is σ = 90576864. Its totient is φ = 60384568.

The previous prime is 75480709. The next prime is 75480751. The reversal of 75480715 is 51708457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51708457 = 547 ⋅94531.

It is a cyclic number.

It is not a de Polignac number, because 75480715 - 2⁹ = 75480203 is a prime.

It is a super-2 number, since 2×75480715² = 11394676673822450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7548067 + ... + 7548076.

It is an arithmetic number, because the mean of its divisors is an integer number (22644216).

Almost surely, 2^75480715 is an apocalyptic number.

75480715 is a deficient number, since it is larger than the sum of its proper divisors (15096149).

75480715 is a wasteful number, since it uses less digits than its factorization.

75480715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15096148.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 75480715 is about 8687.9638005692. The cubic root of 75480715 is about 422.6154161068.

The spelling of 75480715 in words is "seventy-five million, four hundred eighty thousand, seven hundred fifteen".