75113455 has 8 divisors (see below), whose sum is σ = 91837152. Its totient is φ = 58956768.

The previous prime is 75113453. The next prime is 75113459. The reversal of 75113455 is 55431157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75113455 - 2¹ = 75113453 is a prime.

It is a super-2 number, since 2×75113455² = 11284062244074050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75113453) 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, 141459 + ... + 141988.

It is an arithmetic number, because the mean of its divisors is an integer number (11479644).

Almost surely, 2^75113455 is an apocalyptic number.

75113455 is a deficient number, since it is larger than the sum of its proper divisors (16723697).

75113455 is a wasteful number, since it uses less digits than its factorization.

75113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283505.

The product of its digits is 10500, while the sum is 31.

The square root of 75113455 is about 8666.8018899707. The cubic root of 75113455 is about 421.9288736321.

The spelling of 75113455 in words is "seventy-five million, one hundred thirteen thousand, four hundred fifty-five".